Use the keyboard A, W, D, S or arrow keys Left, Up, Right, Down, and mouse button - if the game description "Combat Strike 2" is not stated otherwise.
Combat Strike 2
Description: The war is coming! Join your team to start the battle. Pick up your gun. Kill all the enemies around you. Otherwise, you will be killed. Which party will win the final victory? It depends on you. Have a good time in Combat Strike 2!