Your mission in this massive shooting game is to destroy Zombies which have taken over the world. The recent incidents were caused by a terrorist organization, C.T. They occupied the underground research institute of government and planned to use the biological and chemical weapons to rule the Earth. Use WASD KEYS to move around. Press "J" KEY to shoot/attack (When enemy is close, Press "J" to attack with knife). Press "K" KEY to reload, press "B" KEY to buy weapons. Use this combinations for special moves - Earthquake: J+K, Throw grenades: S + D + K, Somersault: D + S + K, Straight: S + W + K. Good luck!