I the mai campaig, you'll have to complete a umber of objectives where you have to do thigs like wipe out zombies from the battlefield ad demolish regios that are filled with zombies.

The player assumes the role of a driver in Zombie Arena 2 Fury Road, whose objective is to navigate a confined arena populated by zombies while using their vehicle as a weapon to overcome waves of the undead and unlock new levels.

Also, there are modes where you have to beat the clock or fend off waves of zombies, respectively, and games where you have to live as long as possible.

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