Higher Tier Cooking

+1 Max Tier of Sushi you can cook by tapping the Sushi next to the Fuel Bar!

Upgrade Details

Field	Value
Cost growth	2.65x per level before New Game+ adjustment
Cost behavior	Normal room upgrade. Room cost reductions can apply; New Game+ makes cost growth steeper.
Player impact	Opens a new system, helper, ticket, room, or major progression path.