Hold the left mouse butto dow to go UP ad Release the left mouse butto to go dow.

Headshot bullet is a tough and fun game to play. The Bullet is fired and you have to kill as many people from one bullet.

Hold the left mouse button down to go UP and Release the left mouse button to go down.

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