Internet-Frigate developed promo game called Mission Indigo.

The aim of the hero is to surmount obstacles set up by wire monsters. The hero have to fight versus super baddy. There are 8 levels and 8 super baddies on the levels: Casket, Street-organ, Gramophone, Megaphone, Radio-phonograph, Reel-type recorder, Audio cassette tape-recorder and CD player.