Orbitron: Defend your Orbit by building up an impenetrable stronghold and hold back the enemy waves! Inspired by Space Invaders and Tetris, Orbitron is a mix between a shooter and a defense game. Prove your shooting and defense building skills in 34 challenging levels! Move: Move Mouse; Shoot: Left Mouse; EMP: SPACE; Pause: P; Mute: M; Rotate building: SPACE; Play the tutorial for more information!