Krunker.io

Krunker.io is a fast-paced first-person shooter. In this game, drop yourself into a pixel world and fight against other players from around the world.
It is also a very popular 3D multiplayer online web game. Krunker support

Movement: W, A, S, D
Reload: R
Shoot: LMB
Aim: RMB
Jump: Space
Crouch: Shift
Spray/tag: F