Since the Summer of 2013, Kantai Collection has partook in a series of promotional collaborations in which KADOKAWA Games made special deals with various companies to work together to promote thier fanchises in various ways. Each yeah, Kantai Collection would be featured in some way that would help further advertise itself in the public.

Below here are most of the known collaboration which they have partook within.

2013-2014: Arpeggio of Blue Steel Collaboration

During the the when the Arpeggio of Blue Steel Anime premiered on Japanese TV KADOKAWA did a special collaboration with them during the time the anime aired on TV. At the end of Episode 1,3,5,7,9 and 11 there were special end cards that were made for the anime that feature Kantai Collection Characters along with some cast members from Arpeggio of Blue Steel. All of the illustrations that were done by some of the artists that are involved in drawing characters for Kantai Collection. This would also serve as a sneak preview for what was then the new submarine Kanmusu I-401.

Upon the completion of the anime, there would be one more collaboration where Kancolle would perform an event which would feature some of the fog ships from Arpeggio of Blue Steel. It was within this event where the previously shown Kancolle version of I-401 made her appearances in the game.

Also see:Kancolle Winter 2013 Event

2014: Family Mart Collaboration

At the beginning of 2014, Kancolle would do a collaboration with Family Mart where they would have special posters of some of thier kanmusus featured in Family Mart Uniforms, which would include among them the Akagi, Yuudachi, and the Wo-Class Aircraft Carrier. During the campaign they made serveral posters to promote the game. And people could also purchase small character stands which featured the mentioned characters above among with a few more such as Kongou, Kaga, Inazumi, and Ikazuchi. Akagi and Wo-class Family Mart illustration would be featured later in the Weiss Schultz card set.

2015: Kancolle Anime Pizza Hut Collaboration

During Feburary 23rd, 2015 till April 6th, 2015, Kancolle collaborated with Pizza Hut during the Kancolle Anime's showing where they did a special promotional offer for those who purchased Pizza from Pizza hut called Port Pizza Hut Admiral Supply Tactics - Replenish Your Pizza Supplies and Get a Reward!.

During the campaign if you called for a delivery of a medium sized pizza, you would be given a special pizza box that features all members of Destroyer Division 6 on the cover and a clear file.

Also Tokyo Kanda's Pizza Hut location in Japan were redecorated with designs that features some of the Kancolle characters. And a total of 6 of thier delivery bikes were redesign to feature some of the anime's cast on it. There were also a special contest where they gave away an orginal poster of the anime signed by the anime staff team.

2015: Kancolle Anime Lawson Collaboration

 
Kancolle Anime x Lawson Promotional Poster

During March 3rd, 2015 till April 13th, 2015, Kancolle collaborated with Lawson during the Kancolle Anime's showing where they did a special promotional offer where a large number of items present given out to people who purchased items at Lawson.

During March 3rd, 2015 till March 16th, 2015, people who purchased Yunker drinks would get a one of four possible Kancolle Posters.

From March 17th, 2015 till April 13th, 2015, a point contest was held for people who purchased Asahi soft drinks. People who collected the points could enter for a chance to win special items which included stickers, an original Kan Colle t-shirt, a poster autographed by the cast, limited edition figures, mousepads, tabletop standees, and an alarm clock with pre-recorded messages from the voice cast.

2016: Lawson Collaboration

During February 16th, 2016 till May 6th, 2016, Kancolle partook in it's second collaboration with Lawson where they gave away a large amount of Kancolle goods to people who purchased items during the campaign.

On Feburary 16th till Feubrary 29th. People who purchased various items from Lawson were allowed to earn on of the various items provided below:

Purchasing 3 pieces of Rotte Candy would reward you with an Agano-Class Clear File
Purchasing a Yunker Energy Drink, would reward you with a Kashima Wall Scroll
Purchasing 2 cups of Samurai Don Udon would reward you a Hiei IC Card

On March 1st till April 11th 2016, a point related lottery was held for rare Kancolle related goods People who purchased various items at Lawson and placed them on a Ponta card could collect the points and use them to submit an entry into a contest to allow for a chance to win various prized goods. The following prizes that were being given away are as followed:

People who submit 15 Ponta Points can enter to win 1 of 100 Akitsushima figures with Lawson branded Taitei-chan
People who submit 10 Ponta Points can enter to win 1 of 1500 Kancolle T-shirts that feature either Hiei, Katori, or Kashima
People who submit 3 Ponta Points can enter to win 1 of 1000 Taigei Cellphone Stickers

On March 1st till May 6th 2016, a point related lottery was held for a Kancolle themed clock which featured Katori and Kashima. You could choose to either partake in a lottery or earn a large amount of points to automaticlly earn the clock.

People who submit 50 Ponta Points can enter to win 1 of 100 Kancolle x Lawson themed clock featuring Katori and Kashima
People who submit 2000 Ponta Points would automaticlly earn the Kancolle x Lawson themed clock featuring Katori and Kashima

Finally over the whole contest, people who purchase 480 yen worth of goods could earn a Renshouhou-chan or Northern Princess glass cup with coconut jelly.

2016: Sukiya Collaboration

On March 9th 2016 till April 8th, 2016. Kantai Collection participate in a collaboration with Sukiya, a well known Beef Bowl chain in Japan. During the campaign Kancolle will be giving away a number of prizes and good that can be purchased at the 110 Sukiya locations across Japan. In addtion to this, as part of the collaboration, the browser game of Kancolle will also feature special CG art of some Kanmusu as part of the "Beef Bowl Mode" which serves as part of a promotional collaboration.

During the campagin, if people purchase 490 yen worth of Sukiya goods you are allowed for a chance to enter to win 1 of 1000 Akashi, Ooyodo and Yuugumo Class Illustrated beef bowls

In addition, a 30 of these people are also win of one of the official promotional posters from the Kancolle x Sukiya campaign.

The second item they give out will be avalaible across all Sukiya store...

People who also purchase 500 yen worth of goods at Sukiya will also have a chance to get a Kancolle 3D Card Most of these 3D cards will feature either Ryuujou, Supply Depot Princess,Northern Princess, Akashi, Ooyodo, Kaga, Naka, Shigure, Harusame and Yuudachi or Shimakaze, Yukikaze, and Amatsukaze .

Some cards in some Sukiya are limited based upon the location of the Sukiya so some locations may not sell all the cards.

Finally there are 5 special poster that are being made that will be promoted the campaign, they will only be available at specific locations around Japan.

These posters are:
Northern Princess: Aomori
Ooyodo: Kanagawa
Akashi: Kyoto
Ryuujou: Hiroshima
Shigure: Nagasaki

Promotional Collaboration Goods

Beef Bowl Mode CG in Browser Game (in relation to Sukiya Collaboration)