WASD to move your character
Space bar to jump
Left click to shoot
Right click to aim
Mouse wheel to scroll through weapos

In Pixel Gun Apocalypse 3 you can join the Germans or the mercenaries. Battle the other team with a machete and 5 different types of weapons – weapons include a machine gun, pistol and even a rocket launcher

For iOS:
Safari on iOS 8 and later supports WebGL 1.0, and on iOS 15 and later supports WebGL 2.0.

For Android：
Nearly all of them support WebGL