Gems are collected from defeating enemies, destroying colored blocks or breaking gem veins. Collecting 100 gems in a short span will cause you to achieve the gem high state, increasing the power of your gunboots temporarily. Gems can be spent for items at the shop for the following values:
| Level / Item | Rice Ball
(heal 1 hp) |
Sushi
(heal 2 hp) |
Battery
(+1 charge) |
Car Battery
(+2 charge) |
Energy Drink
(heal 1/+1 charge) |
Curry Plate
(+1 hp slot) |
|---|---|---|---|---|---|---|
| 1 | 300 G | 500 G | 150 G | 250 G | 400 G | 1000 G |
| 2 | ||||||
| 3 |