Ratatan — Facility Material Planner
Tick only the facility upgrades you still intend to buy. The list adds their direct costs; completed upgrades and unselected prerequisites are not added automatically.
Totals direct costs for ticked projects only. Enter your stock manually; game save files are not read, and unselected prerequisites are not added automatically.
Trading Post Unlock
Unlocks the Exchanger.
- Donuts ×1
Lonely Island Spring
Guarantees a Healing Spring in Pirates of the Paraddean.
- Donuts ×1
Wasteland Spring
Guarantees a Healing Spring in Bad Day on Yeehawler Mountain.
- Donuts ×1
Required facility: Lonely Island Spring
Jungle Spring
Guarantees a Healing Spring in Jam Jammer Jungle.
- Donuts ×2
Required facility: Wasteland Spring
Snowplain Spring
Guarantees a Healing Spring in Frozen Flower Fantasia.
- Donuts ×2
Required facility: Jungle Spring
Theater Spring
Guarantees a Healing Spring in Bonedead Theater.
- Donuts ×3
Required facility: Snowplain Spring
Spring Construction
Increases healing effectiveness by 25%.
- Donuts ×3
Required facility: Lonely Island Spring
Melodium Mod: Basic
Improve Melodium performance and control up to 12 Cobun.
Melodium Mod: Advanced
Improve Melodium performance and control up to 15 Cobun.
Required facility: Melodium Mod: Basic
Melodium Mod: Special
Improve Melodium performance and control up to 18 Cobun.
Required facility: Melodium Mod: Advanced
Cobun House Annex
Increase deployable Cobun to 4.
- Donuts ×1
Cobun House Annex 2
Increase deployable Cobun to 5.
Required facility: Cobun House Annex
Cobun House Annex 3
Increase deployable Cobun to 6.
Required facility: Cobun House Annex 2
Cobun House Annex 4
Increase deployable Cobun to 7.
Required facility: Cobun House Annex 3
Cobun House Annex 5
Increase deployable Cobun to 8.
Required facility: Cobun House Annex 4
Cobun House Annex 6
Increase deployable Cobun to 9.
Required facility: Cobun House Annex 5
Smithy Investment 1
Unlock the max weapon upgrade level (first level).
- Donuts ×1
Smithy Investment 2
Unlock the max weapon upgrade level (second level).
Required facility: Smithy Investment 1
Smithy Investment 3
Unlock the max weapon upgrade level (third level).
Required facility: Smithy Investment 2
Smithy Investment 4
Unlock the max weapon upgrade level (fourth level).
Required facility: Smithy Investment 3
Island Blueprints
Unlocks Remote Island weapon blueprints.
- Donuts ×1
Island Blueprints 2
Unlocks Remote Island weapon blueprints.
- Donuts ×1
Island Blueprints 3
Unlocks Remote Island weapon blueprints.
Wasteland Blueprints
Unlocks Wasteland weapon blueprints.
- Donuts ×1
Wasteland Blueprints 2
Unlocks Wasteland weapon blueprints.
- Donuts ×1
Wasteland Blueprints 3
Unlocks Wasteland weapon blueprints.
Jungle Blueprints
Unlocks Jungle weapon blueprints.
- Donuts ×1
Jungle Blueprints 2
Unlocks Jungle weapon blueprints.
- Donuts ×1
Jungle Blueprints 3
Unlocks Jungle weapon blueprints.
Snowplain Blueprints
Unlocks Snowfield weapon blueprints.
- Donuts ×1
Snowplain Blueprints 2
Unlocks Snowfield weapon blueprints.
- Donuts ×1
Snowplain Blueprints 3
Unlocks Snowfield weapon blueprints.
Theater Blueprints
Unlocks Theater weapon blueprints.
- Donuts ×1
Theater Blueprints 2
Unlocks Theater weapon blueprints.
- Donuts ×1
Gem Blueprints
Unlocks Gem weapon blueprints.
- Donuts ×10
Gem Blueprints 2
Unlocks Gem weapon blueprints.
Required facility: Gem Blueprints
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Data coverage
PC build 1.1.14
205 weapons · 116 crafting recipes · 90 named items (25 with stage drop tables / 172 encounter links) · 8 Ratatans · 16 Cobun skills · 205 weapon level bindings (204 distinct curves) · 66 Ratakaruta types (210 active variants) · 36 facility upgrades
Data sources & official links
All names, descriptions, Lv 1–100 stat/EXP curves, and direct material costs are extracted from Ratatan PC 1.1.14 game data and official 10-language localization tables (Weapon ID 2027 shares the WeaponLevelData_2026 curve).
Official Ratatan Steam Page · TVT / Ratata Arts