Donut Stack is a free casual online game for boys in which you need to make and collect a variety of donuts, and serve food to customers. There are also many obstacles you need to avoid! The operation of the game is simple, Come join us and have fun with the game! Release your stress and have fun! Donut Stack, online game, free game, casual game, boys, kids, arcade game, puzzle game, donut making, donut serving, obstacle avoidance, skill game, stress relief, 3D game, platform game, mobile game, food game, online, fun, addictive, brain game, avoid obstacles, easy to play