Gem Twins is a puzzle-platformer game where you control two brothers with the ability to turn themselves into stone to help each other. Gem Twins was inspired by NES classics featuring colorful pixel art and good platform mechanics. Gem Twins,Gem Twins game,puzzle platformer,retro game,NES inspired,pixel art game,stone transformation,character switching,platforming game,mobile game,arcade game,puzzle game,controls,A-D,W,U,Spacebar,U,C,O,game controls