move：W A S D jump: SPACE fire: MOUSE 1 aim: MOUSE 2 roll: X reload: R iteract: F crouch: C

At the start of each level, players must quickly locate powerful weapons like the shotgun and sniper rifle, crucial for fending off hordes of zombies. Once the eerie alarm sounds, grotesque, ferocious undead flood the area. A single mistake can lead to being swarmed, so precise marksmanship, agile movement, and calm judgment are essential for survival.​

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