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Extended Fuel Tanks

Boost your Total Fuel Capacity by +10%

Field Value
Cost growth 1.25x per level before New Game+ adjustment
Cost behavior Normal room upgrade. Room cost reductions can apply; New Game+ makes cost growth steeper.
Player impact Improves the room’s income, speed, cost curve, or support systems.
  • Sushi Fuel Max From Rate: +10% at level 1 (per level)