Play any type of Game at Y8.com. The biggest Game Collection to play free online. Flash, Unity 3D, Html5, Android, Java and Shockwave.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Its a good thing for trigger happy action heroes is that Bio genetic experiments always seem to end in zombies! Plenty to shoot to pieces with a wide range of various guns!
A / D - Move.
W - Jump.
S - Duck.
Mouse - Aim / Shoot.
1-4 - Switch Weapon.