Development
Introduction
Crafting requires 
resources and 
development materials (one dev. mat. is required for each attempt). The rarity and success rate depend on the resource recipe used and your flagship's class. Your flagship is the lead ship in your fleet marked #1.
Often you will fail to produce an item from a recipe, denoted by the penguin-in-a-box screen. In this case, the development material used will be refunded. Development materials can be found by completing quests, expeditions, and World 2-4.
Development recipes
NOTE: These recipes are the minimum required resource costs, condensed down to the most recommended equipment for ease of navigation and use. If you would like to see recipes for other items, please see List of development recipes by item.
Please set an aircraft carrier as your flagship for best possible results.
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Notes |
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| 20 | 60 | 10 | 110 | Grants a chance to produce any currently buildable aircraft. |
| 20 | 30 | 10 | 40 | Objective:  Suisei (Comet) Model 12A
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| 20 | 30 | 10 | 70 | As above, plus  Shiden Kai 2 (Violet Lightning)
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| 20 | 30 | 10 | 90 | As above, plus Reppuu (Strong Gale)
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| 20 | 60 | 10 | 100 | As above, plus  Ryuusei Kai (Shooting Star)
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| 20 | 20 | 10 | 110 | Objective:  Saiun (Iridescent Cloud)
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| 20 | 20 | 10 | 90 | Objective: Reppuu (Strong Gale)
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| 20 | 30 | 10 | 40 | Objective: Type 62 Zero Fighter-bomber
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| 20 | 10 | 10 | 20 | Objective:  Type 0 Observation Seaplane (BBV flag also OK)
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| 50 | 60 | 30 | 120 | Grants a chance to produce any currently buildable aircraft. Slightly more expensive recipes. |
| 30 | 60 | 10 | 110 | |
| 30 | 60 | 10 | 130 | |
| 20 | 60 | 10 | 210 | Appears to grant a higher chance to produce ☆☆☆ aircraft |
Surface Combat Equipment
Please set a battleship as your flagship for best possible results. (Exception: see the notes for the last recipe at the bottom of the table)
| Objective |
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Notes |
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| 46cm | 10 | 300 | 250 | 10 | Objective:  46cm Triple Gun Mount
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| 10 | 251 | 250 | 10 | As above but cheaper; may produce  Type 91 (AP) Shell
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| 10 | 300 | 250 | 30 | May produce Type 91 (AP) Shell or  Type 3 Shell
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| 10 | 251 | 250 | 30 | As above but cheaper | |
| 100 | 300 | 250 | 10 | May produce  Improved Turbine or Enhanced Boiler
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| 100 | 251 | 250 | 10 | As above but cheaper | |
| 100 | 251 | 250 | 30 | May produce all of the above shells or engine improvements | |
| 15.5cm(Sec) | 10 | 20 | 50 | 10 | Objective:  15.5cm Triple Gun Mount (Secondary)
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| Ammunition | 10 | 30 | 90 | 10 | Objective: Type 91 Armor-Piercing (AP) Shell
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| 10 | 90 | 90 | 30 | As above, plus Type 3 Shell
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 RADAR(Type 32, Type 33, Type 14, etc.) |
10 | 300 | 250 | 250 | |
| 100 | 300 | 250 | 250 | May produce Improved Turbine or Enhanced Boiler
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| 10 | 10 | 251 | 250 | ||
| 10 | 11 | 250 | 250 | ||
| 10 | 11 | 251 | 250 | Same as above two entries; older recipe | |
| 100 | 110 | 260 | 250 | Somewhat expensive recipe for larger item spread | |
| 20 | 20 | 251 | 250 | With an aircraft carrier set as flagship, may produce Reppuu (Strong Gale)
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Anti-submarine Equipment/Misc.
Please set a destroyer as your flagship for best possible results.
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Remarks |
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| 10 | 10 | 10 | 20 | Objective:  Type 3 SONAR
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| 10 | 10 | 10 | 11 | Allows objective: Type 93 SONAR while doing development daily quests
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| 10 | 50 | 10 | 51 | Objective: Type 3 SONAR or  Type 3 Depth Charge
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| 10 | 30 | 10 | 31 | As above |
| 10 | 30 | 10 | 10 | Objective: Type 3 Depth Charge
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| 10 | 10 | 10 | 10 | No Anti-sub equipment. May produce Drum Canister |