Crystal Calamity by @cs2889410 • Click/Tap and hold in the direction you want to shoot in • Aim your gun at the enemies emerging from the crystal • Defeat the enemies to earn cash • Use cash to buy upgrades for your gun and for troops which will shoot automatically • Each wave enemies will get stronger and stronger and there will be a larger quantity of them each wave
Thanks to cs2889410 for the original project Crystal Calamity.