Demons to Diamonds [Tele Games] - Complete - Atari 2600Demons to Diamonds is a video game produced by Atari, Inc. and released in 1982 for its Atari 2600 video game system. The game was programmed by Nick Turner with graphics designed by Alan Murphy.[2] In the game, players attempt to shoot demons in a "cosmic carnival" and then pick up the diamonds left behind by them, while dodging shots from enemy skulls.