To wi, you eed to destroy your pursuers. Cotrols Mobile: Touch the scree ad move it to aim, shootig will start automatically. PC: Shootig: left mouse butto Sight: right mouse butto Sight cotrol: by movig the mouse Weapo switchig: 1, 2, 3, 4 Reload - R

Grandpa is eager for adventure again! Survive in a harsh zombie world. This time, Grandpa has to save the world from evil zombies. Zombies can drive and shoot! And Grandpa can destroy evil spirits! Fight the most dangerous mutants. Buy cool guns, find unique attachments, assemble your own unique gun and go into battle! Many locations, go through the whole world, from hot deserts to sea battles!

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