Play Cosmic Spacehead Online
You play as Linus, an alien trying to prove Earth exists—click through weird dialogue puzzles, then jump gaps and dodge spikes in side-scrolling sections. It’s clunky but oddly charming.

Cosmic Spacehead was a 1993 release for the Sega Genesis, developed and published by Codemasters. It arrived during a period when the console was saturated with platformers and action games, but it stood apart by blending point-and-click adventure with traditional side-scrolling. The game never achieved major commercial success, but it found a small, dedicated audience drawn to its peculiar style and structure.
You control Linus, a small, green alien who must gather proof that Earth exists to avoid being grounded by his father. The gameplay splits between two distinct modes: navigating dialogue-heavy, screen-by-screen adventure segments to find items and solve puzzles, and then transitioning into side-scrolling platforming stages where you jump over pits and avoid environmental hazards. The pacing is deliberately slow in the adventure parts, requiring careful attention to conversations, while the platforming sections demand quick reflexes and precise timing. It feels like a strange, sometimes uneven hybrid, but there's a genuine sense of discovery in piecing together its odd logic.

Download Cosmic Spacehead ROM
You can download this ROM to play Cosmic Spacehead offline using an Sega Genesis (Mega Drive) emulator (Top Emulators).
*This ROM is provided for backup and educational purposes only.