Desktop: Arrow keys or W,A,S,D to move the character. Mouse to tur the character, aim ad shoot.
Mobile: Use o-scree joystick to move, fire butto to shoot, tap ad drag o right side of the scree to aim ad tur the character.

3D first person shooter. Take the challenge to invade the enemy captured territory and shoot all the guards one by one. Be quick otherwise they will fire back.