Codex Gamicus

Hell is Other Demons is a bullet hell action roguelike game developed by Cuddle Monster Games and published by Kongregate, the same company whose eponymous website hosts Flash games. It was released on Steam for Microsoft Windows on May 20, 2019.


This game features a sprawling, hand-crafted world full of demons, over-the-top boss fights, and a heavy synthwave soundtrack.


  • Retro Bullet Hell Shooter - Fast-paced fair, but challenging, combat rewards practice and creativity.
  • A Campaign Through Hell - Explore an extensive world full with thousands of demons and wonderfully over-the-top bosses.
  • Arcade Mode - Fans of classic, high-score based arcade games will find a cozy home in this mode, with unlimited, procedurally generated action, and infinite replayability.
  • Unforgettable Style - Hell is Other Demons’ bold art style is backed up by a heavy synthwave soundtrack composed by Rémi Gallego, of The Algorithm, and retro sound effects by Magnus Pålsson, composer of the VVVVVV OST.

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