Unwanted Gray

"Unwanted Gray" is a survival game where you play as a gray character in a world of black and white particles at war. Your goal is to survive while collecting stars and upgrading yourself. The game features 35 levels, 3 game modes, 9 unlockable characters with special abilities, 9 unlockable themes, 10 upgrades, and 20 missions. It is available on Web browser and Android.