Cancelled ColecoVision games

Megamania is a fixed shooter video game developed by Steve Cartwright for the Atari 2600 and published by Activision in 1982. In the game, a pilot of an intergalactic space cruiser has a nightmare where his ship is being attacked by food and household objects. Using the missile launcher from their space cruiser, the pilot fends off the attackers. The game was later released for the Atari 5200 and Atari 8-bit computers.