Knowledge System

Creating Sushi now gives them +1 EXP toward leveling up. Sushi Levels give bonuses to various Sushi stats, viewed from the BONUS tab

Upgrade Details

Field	Value
Cost growth	2x 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.