Double Bubble Gumballs
5% chance to get 2 gumballs when buying one
Upgrade Details
Section titled “Upgrade Details”| Field | Value |
|---|---|
| Cost growth | 1.8x 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. |
Scaling Details
Section titled “Scaling Details”- Double Gumball: +5% at level 1 (per level)