Biohazard CF is an Action game on Zombiegames.me. You can play Biohazard CF in your browser for free. Biochemical crisis, you are responsible for blocking a tunnel to prevent biochemical zombies, shooting zombieshead cause more damage and get more points. You move around constantly to escape the zombie attack. players use the points to purchase a variety of weapons, ammunition and medical kits etc. Control: Use mouse to shoot,AD keys to move around, key replace cartridges, 1-8 keys to change weapons.