WASD = Move, Mouse = shooting, Spacebar = jump, Shift = sprint, C = crouch, numbers = change weapon
Combat 4 has been replaced by the new game - Combat Reloaded. Today's game is wonderfully sophisticated 3D shooter in which you play against many players from around the world. That is a multiplayer game. Join mainly on the server that is closer to your country, just because you have a better response. Join the team and start fighting. You'll see what you can do.