Earth Defense (aka: The Earth Defend) is an unlicensed game for the Sega Mega Drive/Genesis; it was developed by AV Artisan and published by Realtec in both North America and Taiwan, without a license from Sega. Earth Defense

Tom Clown Circus is an interpretation of the game with the Atari 2600. The game is pretty hardcore. Music is poor. A “diversity” levels – a typical Arkanoid without bonuses. It was originally bundled on floppy with Realtec’s copier [...]