KanColle Phase 1

KanColle Phase 1 also known as the "Flash Era of KanColle" began is April 23rd, 2013 and has lasted for a total of 5 years. Approximately around April 23rd, 2018 KanColle will end "Phase 1" of its development cycle and will begin to move into Phase 2 of it's game development which will begin with ditching the flash based system KanColle has used up till now as its main platform. Due to the recent changes in which flash become a less desired platform by even web browsers, KanColle has recently made an announcement that the game will end it's run of Flash by its 5th Anniversary and will be migrated to HTML 5. All content and data has been announced to be migrating with the transfer.

The purpose of this page will be to cover the entirety of KanColle's Phase 1 development history regarding the Browser Version of KanColle from it's beginning all the way to when the game end's it's run on Flash.

Development History

KanColle's history has been a long and interesting development that began with lots of early planning that based on some interviews started approximately around Late 2011 and would be released in it's basic form around April 23rd, 2013. The following history chart will use info gathered from the mentioned interviews, along with the KanColle 4th Anniversary issue from Comptiq Magazine, and update note history gathered over the course of it's development cycle.

All development notes will be updated till the end of Phase 1 has been reached.

Year	Month	Day	Update Type	Notes
Late 2011 - 2012	???	???	Early Development	Kensuke Tanaka begins development plans for KanColle using the assistance of his doujin team from C2 Kikan. Tanaka proceeds to round up artists and programmers to work on development of the game.
2012 - Early 2013	???	???	Early Development	Kensuke Tanaka makes contact with Kadokawa to round up new talented Seiyuus to get on board for the project. Voices for the initial release Kanmusu were worked upon. Late in 2012 and through part of the beginning of 2013, a deal was made to use DMM Games as a hosting platform for their game project which they made an agreement to become part of the joint collaboration of the project.
2013	February	28	Pre-Relase	KanColle website was open on DMM Games and per-registration for the game began. People who registered to join in on KanColle at the time would receive Ooi as a per-release reward for registering before the game's release.
	April	23	Launch	KanColle was released to the public. It was titled as a "Fleet Development Simulator Game"
			Kanmusu	A total of 94 ships were released among the initial release of the game: Battleships: Nagato, Mutsu, Ise, Hyuuga, Kongou, Hiei, Haruna, Kirishima, Fusou, Yamashiro Aviation Battleships: Ise Kai, Hyuuga Kai, Fusou Kai, Yamashiro Kai Standard Carriers: Akagi, Kaga, Souryuu, Hiryuu Light Carriers: Houshou, Ryuujou, Hiyou, Junyou, Shouhou, Chitose Carrier, Chiyoda Carrier Seaplane Tender: Chitose ,Chiyoda Heavy Cruiser: Mogami, Furutaka, Kako, Aoba, Myoukou, Nachi, Ashigara, Haguro, Takao, Atago, Maya, Choukai, Tone, Chikuma Aviation Cruiser: Mogami Kai Light Cruiser: Ooi, Kitakami, Tenryuu, Tatsuta, Kuma, Tama, Kiso, Nagara, Isuzu, Natori, Yura, Sendai, Jintsuu, Naka Torpedo Cruiser: Ooi, Kitakami Destroyer: Yukikaze, Shimakaze, Fubuki, Shirayuki, Hatsuyuki, Miyuki, Murakumo, Isonami, Ayanami, Shikinami, Mutsuki, Kisaragi, Satsuki, Fumizuki, Nagatsuki, Kikuzuki, Mikazuki, Mochizuki, Oboro, Akebono, Sazanami, Ushio, Akatsuki, Hibiki, Ikazuchi, Inazuma, Hatsuharu, Nenohi, Wakaba, Hatsushimo, Shiratsuyu, Shigure, Murasame, Yuudachi, Samidare, Suzukaze, Asashio, Ooshio, Michishio, Arashio, Arare, Kasumi, Kagerou, Shiranui, Kuroshio
			Abyssals	A total of 13 Abyssals were released among the initial release of the game: Destroyer I-Class, Destroyer Ro-Class, Destroyer Ha-Class, Destroyer Ni-Class, Light Cruiser Ho-Class, Light Cruiser He-Class, Light Cruiser To-Class, Torpedo Cruiser Chi-Class, Heavy Cruiser Ri-Class, Light Carrier Nu-Class, Battleship Ru-Class, Standard Carrier Wo-Class, Transport Ship Wa-Class
			World Maps	The following Maps were released among the initial release of the game: World 1: Naval Base Waters World 2: Nansei Island Waters World 3: Northern Waters
	May	1	System	Mutiple Scrapping of Equipment was implemented into the game.
		8	System	ASW equipment such as Sonars and Depth Charge Launchers were released. Maelstrom effects were altered to allow radars to lessen the effects of resources lost when you make contact with a maelstrom node.
		15	Kanmusu Remodel	Chitose Carrier Kai and Chiyoda Carrier Kai was released.
			System	Reconnisance Aircraft Saiun was implemented into the game. Home port expansions were made possible allowing at the time to expand your ships up to 150 ships at that time.
		17	Event	KanColle's First Event, The Spring 2013 Event: "Raid the Enemy Forward Base” was implemented and would last until June 5th, 2013.
			New Kanmusu	The following ships were implemented in the Event: Shoukaku (Rewards), Zuikaku (drop), Abukuma (drop), Kinu (drop) These new ships would also be the first ships to have hourly notification lines.
			Abyssals	The following ships were implemented in the Event: Submarine Ka-Class, Submarine Yo-Class, Floating Fortress, Anchorage Demon, Anchorage Princess
			System	Enemy Submarines were added into Enemy Fleet. "Mamiya" was added as an item in the game.
		29	System	CG was given to Mamiya, Daily Quests had thier reset time changed to 5:00 AM JST. Kanmusu could now be swapped directly while in the fleet.
	June	5	System	Spring 2013 Event came to an end. World 4: Western Waters was implemented along with 4-1 “Battle of Jam Island” and 4-2 “Curry Ocean Pacification”. ASW mechanics were changed to the basic version that is known as of current (Light Aircraft Carriers and Aviation cruisers could now attack subs).
			New Kanmusu	The following ships were implemented in the Update: Yuubari and Zuihou
			Abyssals	The following ships were implemented in the Game: Battleship Ta-Class
		12	System	Saiun were now given the ability to prevent Red-T Disadvantage. Mamiya could now cause a high morale boost (Sparkling) among multiple ships. Heavy Cruisers could now equip Type 3 Shells, Aviation cruisers can load torpedoes, Torpedo cruisers can now load sonars and depth charge launchers, carriers can now load radars.
		19	Kanmusu Remodel	Kitakami Kai Ni and Ooi Kai Ni were implemented into the game becoming the first Kai 2 Remodels.
		21	Other	The growing popularity of the game filled the servers, and new registrations were temporarily closed. This caused an big outcry, and the game gained further publicity.
		26	System	4-3 Map, "The Bombing of Ri Lanka" was implemented.
			New Kanmusu	Mikuma was added into the game.
	July	3	Other	Additional servers were added and per-registration for the new serves began.
		10	Servers	KanColle shifted to a multi server system consisting of 3 different servers at the time. The original server, Yokosuka Naval District, Kure Naval District and Sasebo Naval District.
			New Kanmusu	Maikaze was added into the game.
		17	System	World 4-4 Map “Battle of Casgadama” was implemented. The ability sort your kanmusu through Moderization was added.
			Abyssals	The following ships were implemented in the Game: Armored Carrier Demon and Armored Carrier Princess
			Servers	4th Server Maizuru Naval District was added.
		24	New Kanmusu/ Remodel	Kinugasa was added into the game. Chitose Carrier Kai Ni and Chiyoda Carrier Kai Ni were implemented
			System	Added the ability to Lock Ships. Added the Ability to open all furniture boxes at once.
		25	Other	KanColle's Staff Twitter was launched. [1] [1]
	August	1	Event	The Summer 2013 Event: "Southern Waters Assault Reconnaissance”” was implemented and would last until August 26th, 2013.
			New Kanmusu	The following ships were implemented in the Event: I-168 (Reward), I-58 (drop), Suzuya (Reward), Kumano (drop)
			Abyssals	The following ships were implemented in the Event: Southern Demon, Southern War Demon, Southern War Princess
			System	Support Expedtions have been implemented and could be used in the Event.
		2	System	Type A Ko-hyoteki were given the ability to launch a per-emptive torpedo strike.
		7	Servers	5th Server Oominato Guard District was added.
		8	New Kanmusu	Yamato was implemented in the middle of the event in correspondence to her launch day. Those who successfully cleared the entire event received her automatically upon the update. Those that did not however needed to complete the Final Event Map (E-4) to earn her.
		10	Servers	6th Server Turk Naval District was added. The Lottery System was implemented to control server congestion issues.
		17	Servers	7th Server Lingga Naval District was added.
		21	Servers	8th Server Rabula Naval District was added.
		26	System	Summer 2013 Event came to an end. Flagships in Single Fleets could no longer continue a sortie if they were heavily damaged. Flagship Protection mechanics were added.
			New Kanmusu	The following ships were implemented in the Update: Hatsukaze
		30	Servers	9th Server Shortland Naval District was added.
	September	11	Kanmusu Update / Remodel	The following Kamusu recived the following in the Update: Hibiki could now be remodeled into Verniy. Nagara Kai recived a CG update
		13	Servers	10th Server Buin Naval District was added.
		18	System	World 5: Southern Waters was implemented. 5-1 - The Frontline of the Southern Waters and 5-2 - The Coral Islands were released.
			New Kanmusu / Update	The following ships were implemented in the Update: Akigumo, Yuugumo Natori Kai received a CG update.
		25	New Kanmusu Remodel	The following remodel were implemented in the Update: Isuzu Kai Ni
			System	Admiral's Maximum HQ Level increased from 105 to 115.
		26	Anime	Plans for development of the KanColle Anime and KanColle Kai were announced.
		28	Servers	11th Server Tawi-Tawi Naval District was added.
	October	4	System	5-3 - The Sav Islands were released. This was the first Night Battle Themed map
			New Kanmusu Remodel	The following remodel were implemented in the Update: Yuudachi Kai Ni
		7	Collaboration	Family Mart Collaboration began.
		9	Servers	12th Server Palau Naval District was added.
		16	New Kanmusu	The following Kanmusu were implemented in the Update: Makigumo, Naganami
			Kanmusu Voice Lines	New Voice Lines were implemented for the Following Kanmusu: Yuudachi Kai Ni, Shigure
		23	Kanmusu Remodel	The Following remodel were implemented for the Following Kanmusu: Shigure Kai Ni
			Kanmusu Voice Lines	New Voice Lines were implemented for the Following Kanmusu: Chitose Kai/A, Chiyoda Kai/A, Asashio, Ooshio, Michishio
			System	Notification window for using Mamiya was added. Progression indicators to Quest with mutiple requirements were implemented. Max icon to indicate when certain stat parameters were maxed from Modernization were implemented.
		31	Collaboration	Collaboration with Waterline Series to produced plastic ship models began. The first ship they released would be the "1/700 Kancolle Plastic Model No.01 Shipgirl Battleship Nagato”
	November	1	Event	The Fall 2013 Event: "“Decisive Battle! Escape from Ironbottom Sound!” was implemented and would last until November 27th, 2013.
			New Kanmusu/ Remodel	The following ships were implemented in the Event: I-19 (Reward), I-8 (Reward), Agano (Drop), Noshiro (Reward), Musashi (Reward) Kongou Kai Ni remodel was also released.
Abyssals			The following ships were implemented in the Event: Airfield Princess, Battleship Princess
6		Servers	13th Server Burnei Naval District was added.
9		Collaboration	The Limited Edition 10th Volume of Lucky Star had a cover that featured a collaboration with KanColle
13		Kanmusu Remodel	The Following remodel were implemented for the Following Kanmusu: Kinugasa Kai Ni
		Kanmusu Voice Lines	New Voice Lines were implemented for the Following Kanmusu: Kasumi Kai, Arashio Kai, Arare Kai
20		New Kanmusu/ Remodel	The following ships were implemented in the Event: Yahagi(Drop) as a last second surprise in the event. Hiei Kai Ni remodel was also released. Shiratsuyu Kai recived a new CG.
		Kanmusu Voice Lines	New Voice Lines were implemented for the Following Kanmusu: Shiratsuyu Kai
27		System	Fall 2013 Event came to an end. Max Modernization showed up on the modernization screen to indicate when a stat was fully maxed out. PVP now had selectable formations.
December	2	Servers	14th Server Hitokappu Bay Naval District was added.
	3	Collaboration	2nd Limited Time Collaboration with Family Mart began. This time involving a wrapping store that opened in Yokosuka.
	4	Kanmusu Update	New CG were implemented for the Following Kanmusu: Murasame Kai
		Kanmusu Voice Lines	New Voice Lines were implemented for the Following Kanmusu: Murasame Kai
		System	The Album function upgraded to allow the viewing of shipgirls who have changes to their graphics via the same numbering.
	10	Anime	Official site for anime opened. Animation company (Diomedia) announced.
	11	System	Composition Screen now displayed a level progress bar to shoe how much exp was needed for a Kanmusu to reach a new level.
		Kanmusu Remodel	The Following remodel were implemented for the Following Kanmusu: Kiso Kai Ni
	12	Servers	15th Server Paramushir Naval District was added.
	24	Event	The Winter 2013 Event: “Intercept! The Fleet of Fog”!” was implemented and would last until January 8th, 2014.
		Collaboration	As part of the collaboration event with the TV anime “Arpeggio of Blue Steel -Ars Nova-”, for the duration of the event, Arpeggio's version of Iona, [[Takao (fog)|Takao, Haruna were added.
		New Kanmusu	The following ships were implemented in the Event: I-401 (Reward) In addition, the following new Kanmusu were released and available via Large Ship Construction: Akitsumaru, Maruyu
		System	Large Ship Construction was implemented. Luck Modernizing using Maruyu became possible. Daihatsu were introduced to improve the efficiency of Expeditons
		Limited Time Kanmusu CG/ Voice	Christmas lines were given to Nagato, Kiso and Naka. Naka received a Christmas related CG.
2014	January	1	Limited Time Kanmusu Voice	New Years lines were given to Nagato
		8	Kanmusu Voice Lines	New voice lines for Mutsuki Kai, Kisaragi Kai, Nagato Kai, Kiso Kai Ni.
		15	Kanmusu Remodel	The Following remodel were implemented for the Following Kanmusu: Naka Kai Ni
		22	Kanmusu Voice Lines	New voice lines for Kaga Kai, Mutsu Kai, Houshou Kai, Isuzu Kai Ni.
		28	Collaboration	Kancolle Collaboration with UfoTable Cafe Commenced.
		29	New Kanmusu	The following ships were implemented in the Game: Yayoi, Uzuki
			Kanmusu Voice Lines	New voice lines for Hibiki and Mochizuki Kai.
	February	1	Servers	16th Server Sukumo Naval District was added.
		14	System	Marriage was implemented allowing you to marry Kanmusu and further boosting thier levels beyond level 99.
			Kanmusu Voice Lines	New voice lines for Akatsuki Kai.
			New Kanmusu CG	The following CG were implemented in the Kanmusu: Uzuki Kai
		26	System	New Map: 5-4 The Salmon Sea Area has now been released. Searchlights and Drum Canisters were released. Equipping Sonars and Depth Charge Launchers together would have an added effect. Drum Canister based expeditions were added.
			Kanmusu Remodel/CG	The Following remodel were implemented for the Following Kanmusu: Jintsuu Kai Ni The Following Kanmusu got thier CG updated: Hiyou Kai
			Kanmusu Voice Lines	New voice lines for Jintsuu Kai, Ryuujou Kai, Shikinami Kai.
	March	1	Servers	17th Server Kanoya Airfield was added.
		14	System	Monthly Extra Operation Maps 1-5 The Seas Near the Naval Base and 5-5 Northern Salmon Sea Area were implemented for the first time allowing for players to earn medals on a monthly basis.
			New Kanmusu	The following ships were implemented in the Game and could be obtained via expeditions, construction and Large Ship Construction: The German Ships Z1, Z3, Bismarck This would mark the first foreign ships to be introduced into the game.
			Abyssals	The following ships were implemented in the Game: Battleship Re-Class
		15	Servers	18th Server Iwagawa Airfield was added.
		22	Anime	Release of visuals of Fubuki, Akagi, Kaga to AnimeJapan2014. Announced the 1st KanColle Naval Review.
			Collaboration	Kancolle Collaboration with UfoTable Cafe Commenced
		28	New Kanmusu/ Remodels	The following ships were implemented in the Game: Hamakaze In addition, the following ships received a remodel. Kirishima Kai Ni, Z1 Zwei, Z3 Zwei
			System	Resources were now set at a hard cap of 300,000 fuel, ammo, steel and Bauxite each.
	April	9	New Kanmusu CG	The following ships were implemented in the Game: Ryuujou Kai
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Shimakaze Kai, Chiyoda Carrier Kai Ni, Chitose Carrier Kai Ni
			System	Ability to remove all the ship in a composition accompanying the flagship in the Composition Menu was added.
		23	Event	In Celebration of the Game's 1st Anniversary The [[Spring 2014 Event|Spring 2014 Event: “Recon Planes, Launching!” ] was implemented and would last until May 9th, 2014.
			New Kanmusu/ Remodel	The following ships were implemented in the Event: Akashi (Reward), Amatsukaze (Reward), Tanikaze (Drop), Sakawa (Reward) In addition, the following ship remodels were introduced: Tone Kai Ni (Blueprint), Chikuma Kai Ni (Blueprint), Bismarck Zwei (Blueprint)
			Abyssals	The following ships were implemented in the Event: Submarine So-Class, Harbour Princess, Isolated Island Demon
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Ashigara
			System	New Systems such as "Akashi's Fleet Repair" mechanic was introduced. Artillery Spotting, Contact, and LoS-based pathing was introduced. Medals that were collected could now be converted to Blueprint to remodel certain Kanmusu that needed them as well as additional UI changes.
	May	9	System	The Spring 2014 Event came to an end.
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Myoukou Kai, Nachi Kai, Kuma Kai, Tama Kai
		23	New Kanmusu/ Remodels	The following ships were implemented in the Game: Urakaze In addition, the following ships received a remodel. Haguro Kai Ni ,Ryuujou Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Samidare Kai, Suzukaze Kai
			System	New Map: 2-5: Combat Patrol Off Okinoshima was introduced.
	June	6	New Kanmusu/ Remodels	The following ships were implemented in the Game: Taigei In addition, the following ships received a remodel. Hiryuu Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Shouhou Kai
			System	First equipment upgrade quest implemented. “Unequip all equipment”, “Expedition cancel” functions added. Admiral's HQ level could now go up to Level 120
		20	New Kanmusu Remodels	The following ships received a remodel. Sendai Kai Ni, Ayanami Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Sendai Kai, Ayanami Kai
			System	New equipment Star Shell and Type 98 Recon Seaplane (Night Scout) added allowing to further aid your fleet's combat performance during night battle.
	July	4	New Kanmusu Remodels	The following ships received a remodel. Myoukou Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Myoukou Kai Ni
			System	Interactive Furniture was first introduced with the "Antique Alarm Clock".
		18	New Kanmusu Remodels	The following ships received a remodel. Souryuu Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Kagerou Kai, Shiranui Kai, Kuroshio Kai In addition to thses, Akagi recive a special limited time voiceline referencing Operation AL/MI.
			System	Current shipgirl number, bucket count displayed on main screen. The “invite your friends” function under the game removed, and replaced with the developer tweets.
		28	New Kanmusu Remodels	The following ships received a remodel. Haruna Kai Ni
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Kaga Kai, Kirishima Kai, Haruna Kai
			System	Gun Fitting mechanics added for Large Calibre Guns. Fast battleships can now load Type 91 AP Shell
	August	3	Others	The first KanColle Live event known as the KanColle Naval Review was launched. Kanmusu Vocal Soundtrack Vol 1 and 2 were released. KanColle Offical Sound Track "Dawn" was released.
			Anime	Key Visual and the first PV trailer to the Kancolle Anime was revealed at the Naval Review. Broadcast time for were announced.
			Collaboration	Collaboration with Gilco was announced to sell KanColle themed version of "Almond Glico” and “Cratz”.
		8	Event	The Summer 2014 Event: “Operation AL/MI!” was implemented and would last until August 29th, 2014.
			Abyssals	The following ships were implemented in the Event: Northern Princess, Midway Princess, Aircraft Carrier Demon, and Aircraft Carrier Princess
			New Kanmusu	The following ships were implemented in the Event: Harusame (Reward), Ooyodo (Reward), Tokitsukaze (Reward), Unryuu (Reward), Isokaze (Reward), Hayashimo (Drop) , Kiyoshimo (Drop)
			System	Ship-Locking Mechanics were implemented. Combined Fleets were implemented. Escort retreating mechanics for Combined Fleets were implemented.
			Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Tone Kai Ni, Chikuma Kai Ni
			Limited Time Voice Lines	The following Event voice lines were implemented for the following Kanmusu in the Game: Akagi, Kaga
		29	System	Naval Base Jukebox implemented. Summer 2014 Event came to an end.
			New Kanmusu Remodel	The following ship recived the following remodel: Junyou Kai Ni
	September	4	Others	KanColle won first place in Game Design in the CEDEC AWARDS 2014
		12	System	World 3-5: The Aleutian Island Campaign was implemented.
Abyssals			The following ships were implemented: Light Cruiser Tsu-Class
26		System	World 6: The Central Waters was implemented along with 6-1 and 6-2.
		New Kanmusu Remodel	The following ship received the following remodel: Bismarck Drei
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Hiryuu Kai, Junyou Kai / Kai Ni
October	10	System	AP Shell mechanics were revised to allow ships to do extra damage against Battleships. Equipment Locking Mechanics were implemented.
		New Kanmusu Remodel	The following ship received the following remodel: Hatsuharu Kai Ni
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Kitakami Kai/ Kai Ni, Ooi Kai / Kai Ni
	24	System	Akashi's Improvement Arsenal implemented.
		New Kanmusu Remodel	The following ship received the following remodel: Fusou Kai Ni
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Fusou Kai
November	7	Anime	2nd Anime PV Trailer was released online.
	14	Event	The Summer 2014 Event: “Commence! Operation Kon” was implemented and would last until December 1st, 2014.
		New Kanmusu/ Remodels	The following ships were implemented in the Event: Akizuki (Reward), Prinz Eugen (Reward), Nowaki (Reward), Asagumo (Drop) In addition, the following ships received a remodel. Ushio Kai Ni
		Abyssals	The following ships were implemented: [[Heavy Cruiser Ne-Class], Destroyer Princess, Aircraft Carrier Water Demon
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Ushio Kai, Akebono Kai, Hatsuharu Kai, Nenohi Kai In addition to this Mamiya and Irako were given new voice lines when using thier items.
		System	Anti-Air Cut-In mechanics implemented along with an update to Anti-Air Mechanics in general. 10cm Twin High-angle Mount + Anti-Aircraft Fire Director were added.
	20	New Kanmusu Remodel	The following ship received the following remodel: Yamashiro Kai Ni
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Yamashiro Kai
		System	Battleships can now equip and use Searchlights.
	25	Other	First Kancolle Kai trailer was released.
	28	Collaboration	Kancolle Collaboration with Good Smile and Animate Cafe Akibahara to open a Kancolle Collaboration themed Cafe.
December	1	System	Fall 2014 Event] came to an end.
		New Kanmusu CG/ Remodels	The following ships were given a CG update: Harusame Kai In addition, the following ships received a remodel. Furutaka Kai Ni
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Furutaka Kai, Zuihou Kai, Hamakaze Kai, Ooyodo
	12	Limited Time CG/Voice Lines/ Mini Event	The following Christmas CG were implemented for the following Kanmusu / Abyssals in the Game: Naka Kai Ni, Ryuujou Kai/ Kai Ni, Shigure Kai Ni, Northern Princess Over 20+ Kanmusu got Christmas Voice Lines. Present Boxes dropped over various maps.
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Fubuki Kai, Shirayuki Kai, Hatsuyuki Kai, Miyuki Kai
	19	Anime	Second PV trailer to the Kancolle Anime was revealed online.
	12	New Kanmusu / Remodel	The following ships were implemented: Yamagumo The Following Kanmusu recived a 2nd Remodel: Ashigara Kai Ni
		Kanmusu Voice Lines	The following voice lines were implemented for the following Kanmusu in the Game: Oboro Kai, Sazanami Kai, Wakaba Kai
		Limited Time CG/ Lines	Year End Cleaning CG was given to the following Kanmusu: Akebono In addition, many other Kanmusus had lines tied to Year's End Cleaning.
	27	Anime	Anime pre- screening event “Kancolle Pre-screening – Premium Live Viewing” is held and gave selected participants a preview of the 1st Episode of the Anime.
2015	Janruary	1	Limited Time CG/ Lines	Over 30+ Kanmusu recived New Years lines. In addition, the following ship girls received New Year's Hiragi CG, which included, but was not limited to: Yuudachi Kai Ni, Ooyodo / Kai, Akashi / Kai and so forth.
		7	Anime	KanColle the Anime began broadcasting across Japanese Television.
			Servers	19th Server Saiki Bay Naval District was added.
		9	New Kanmusu Remodel	The following remodel were implemented to the following Kanmusu: Fubuki Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Fubuki Kai
		23	New Kanmusu Remodel	The following remodel were implemented to the following Kanmusus: Hatsushimo Kai Ni, Nachi Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Hatsushimo Kai
			Limited Time Voice Lines	Over 10+ Kanmusu recived Setsubun voice lines.
			System	Special Furniture Naval District Counter Bar was implemented allowing for Kanmusus of have various beverages and snacks depending on who you put in as your secretary.
			Other	Kancolle Arcade test locations are implemented.
	February	6	Event	The Winter 2015 Event: “Counter-attack! Assault on Truk Naval District” was implemented and would last until Feburary 23rd, 2015.
			System	Implemented selectable event difficulty settings. First class medal were implemented.
			Abyssals	The following ships were implemented: Light Cruiser Princess, Battleship Water Demon
			New Kanmusu	The following ships were implemented in the Event: Katori (Reward), U-511 (Reward), Amagi (Reward), Asashimo (Drop)
			Limited Time Voice Lines/CG	Over 40+ Kanmusu recived Valentine's voice lines. In addition, the following Kanmusu received Valentine's CG: Murakumo, Hamakaze, Shigure Kai Ni
		14	Other	Implemented Kancolle Arcade pre-release show event as part of JAEPO2015.
		18	Anime	Anime OP theme “Miiro”, Ed theme “Fubuki” released for sale.
		23	System	Winter 2015 Event came to an end.
			Limited Time Event	Hishimochi were implemented and appeared as drops on certain maps.
			Collaboration	The KanColle Anime x Pizza Hut Collaboration began. Pizza Hut store in Kanda, Tokyo was reskinned with a Kancolle theme.
	March	3	Collaboration	Collaboration between Lawson and Kancolle anime.
		13	New Kanmusu Remodel	The following ship received the following remodel: Maya Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Maya Kai
			System	In celebration of Paul Allen discovering the remains of the sunken Battleship Musashi, Musashi's drop rate was increased for a limited period of time. Special furniture “Musashi’s Hanging Scroll” added.
			Limited Time Voice Lines	Over 20+ Kanmusu recived White Day voice lines.
		25	Anime	KanColle the Anime's final episode aired. KanColle soundtrack "Kankyou" was released. KanColle Anime character soundtrack "Kanmusu's Song" was released.
		27	New Kanmusu Remodel	The following ship received the following remodel: Choukai Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Choukai Kai, Tenryuu, Tatsuta New lines added to Akashi in such places as Akashi's Improvement Arsenal
			Anime	KanColle the Anime's BD and DVD released for sale.
	April	10	System	1-6: The Sea Route Near the Naval Base was introduced. Headquarters Personnel, an item which increases the maximum number simultaneously ongoing quests, is implemented.
			New Kanmusu Remodel	The following ship received the following remodel: Murakumo Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Murakumo / Kai/ Kai Ni
		23	2nd Anniversary	KanColle celebrates its 2nd anniversary.
			New Kanmusu Remodel	The following ship received the following remodel: Mutsuki Kai Ni , Kisaragi Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Mutsuki Kai / Kai Ni, Kisaragi Kai / Kai Ni, Satsuki Kai, Fumizuki Kai, Nagatsuki Kai, Kikuzuki Kai, Mochizuki Kai, Mikazuki Kai.
			Limited Time Voice Lines	Over 80+ Kanmusu received 2nd Anniversary voice lines.
		24	Event	The Spring 2015 Event: "Order! The 11th Operation!" begins until 18th of May.
			System	Manual Node Selection mechanic introduced.
			Abyssals	The following ships were implemented: Harbor Water Demon, Anchorage Water Demon
			New Kanmusu	The following ships were implemented in the Event: Littorio (Reward), Katsuragi (Reward), Akitsushima (Reward), Takanami (Drop), Roma (Drop)
	May	18	System	Spring 2015 Event came to an end. Main gun fitting mechanics for Light Cruisers were introduced.
			Limited Time Voice Lines / CG	Over 50+ Kanmusu received Rainy Season voice lines. In addition to this, the following Kanmusu/Abyssals received the following Rainy Season CG: Takanami, Northern Princess
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Mogami Kai
		29	System	Equipment filters in the equipment selection screen were implemented.
			New Kanmusu Remodel	The following ship received the following remodel: Akatsuki Kai Ni
			Limited Time CG	The following Kanmusu received the following Rainy Season CG: Murasame Kai
	June	12	System	4-5: AByssal Ocean Fleet Reduction Operation was introduced.
			New Kanmusu Remodel	The following ship received the following remodel: Kako Kai Ni
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Kako Kai
		17	Servers	20th Server Hashirajima Naval District was added.
		26	System	6-3:Operation K was introduced. Aviation Detection mechanics were introduced.
			New Kanmusu CG	The following ship received the following new CG: Takanami Kai, Shouhou Kai
			Limited Time Voice Lines / CG	Over 20+ Kanmusu received Early Summer Season voice lines. In addition to this, the following Kanmusu/Abyssals received the following Swimsuit CG: Oboro, Akebono, sazanami, Ushio / Kai Ni, Shiratsuyu Kai, Murasame Kai
	July	3	Limited Time Voice Lines	Over 30+ Kanmusu received Early Summer Season voice lines.
			Servers	Hashirajima Naval District became an open server opened to general sign up without lottery. The server was closed for a period due to maintenance, but the signups continued.
		17	New Kanmusu Remodel	The following ship received the following remodel: Abukuma Kai Ni
			Limited Time Voice Lines / CG	Over 40+ Kanmusu received Summer Season voice lines. In addition to this, the following Kanmusu/Abyssals received the following Swimsuit CG: Tenryuu, Shigure Kai Ni, Yuudachi Kai Ni, Littorio/Italia
			New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Asashio, Arashio, Michishio
			Other	“Kaga Cape”, sung by Kaga, is added into the game. Can be heard at some boss battles.
		31	New Kanmusu CG	The following ship received the following new CG: Amagi Kai (damaged CG)
			Limited Time Voice Lines / CG	Summer Season voice lines were given to Fusou and Yamashiro. In addition to this, the following Kanmusu/Abyssals received the following Swimsuit CG: Tatsuta
			Other	“Kancolle Original Sound Track II Kaze” open for per-ordering.
	August	9	Other	The 2nd KanColle Naval Review took place.
			Anime	The progress on the Kancolle movie revealed at the 2nd KanColle Naval Review. A trailer is shown.
10		Event	The Summer 2015 Event: “Counterattack! The 2nd SN Operation” was implemented and would last until September 7th, 2015.
		System	Aircraft Expertise was introduced. Hayasui introduced the ability to use Maritime Resupply to replenish a fleet's fuel and ammo to an extent. New special items introduced such as Reinforcement Expansions, Battle Rations, and Prototype Flight Deck Catapults.
		New Kanmusu	The following ships were implemented in the Event: Kawakaze (Reward), Libeccio (Reward), Umikaze (Drop), Mizuho (Drop)
		Abyssals	The following ships were implemented: Seaplane Tender Princess
11		Event	Two Extra Operation map were added into event known as Operation FS
		System	The Boss Armor Reduction mechanic was implemeted to make a boss harder but could be easily defeated if certain conditions were met.
		New Kanmusu	The following ships were implemented in the Event: Teruzuki (Reward), Kagagumo (Drop)
		Abyssals	The following ships were implemented: Air Defense Princess
September	7	System	The 'Summer 2015 Event came to an end.
		Limited Time Voice Lines / CG	Over 40+ Kanmusu received Fall Festival voice lines. In addition to this, the following Kanmusu received the following Yukata CG: Oboro, Urakaze, Hamakaze, Kawakaze, Nagara, Natori, Jintsuu Kai Ni, Ooyodo Kai, Mizuho
		New Kanmusu Voice Lines	The following voice lines were implemented to the following Kanmusu: Hamakaze Kai, Urakaze Kai, Zuihou Kai
	17	Other	Kantai Collection was theatre screened at the DMM.com booth at the 2015 Tokyo Game Show. Development of the KanColle Android Version was announced.
	20	Limited Time Voice CG	In addition to this, the following Kanmusu/Abyssals received the following Oktoberfest CG: Z1
	25	New Kanmusu Remodel	The following ship received the following remodel: Shoukaku Kai Ni / A* * This could be convertable between being a Standard Kai Ni Carrier or an Armor Kai Ni Carrier (A) by the player's choosing.
		Limited Time Voice Lines	A number of Kanmusu received Fall voice lines. In addition to this, the following Kanmusu received the following The Tastes of Autumn CG: Chiyoda, Chitose, Harusame In addition to this, the following Kanmusu received the following Yukata CG: Inazuma, Ikazuchi, Kuma, Tama
October	9	System	Added a drag and drop mechanic on the fleet composition screen, a resupply all button, and the temporary saving of the last used development and build recipe in the construction tab. Increased the number of pages in the equipment album.
		Limited Time Voice Lines / CG/ Mini-Event	The Mini Event Naval District Saury Festival was implemented. Some maps drop “Pacific Saury” for a limited time. In addition to this, the following Kanmusu received the following Pacific Saury CG: Isokaze, Murasame, Akebono, Northern Princess In addition to this, the following Kanmusu received the following Taste of Autumn CG: Ushio / Kai Ni
	30	System	Added mechanic to Record and Call Fleet Compositions. Added drag and drop mechanic for equipped equipment. New item “Skilled Pilot” added.
		New Kanmusu Remodel	The following ship received the following remodel: Zuikaku Kai Ni / A* * This could be convertable between being a Standard Kai Ni Carrier or an Armor Kai Ni Carrier (A) by the player's choosing.
		Limited Time Voice Lines / CG	Libeccio Recived a limited time Halloween Voiceline. In addition to this, the following Kanmusu received the following Halloween CG: Libeccio, Roma

More is to come....