The game was such a failure, with only 2,000 units produced, that its rights were reverted to its creator. At present, it is one of the games that is freely and legally available for download to use with the M.A.M.E. emulator.
This game provides examples of
- Endless Game: You play until you run out of lives.
- Expy: Robby resembles a red Pac-Man with a miner's helmet.
- Invincibility Power-Up: The Magic button gives Robby a few moments of invulnerability that can only be used once per stage.
- Protection Mission: You must protect your friends from being recaptured once you find them.