About monsterion
monsterion is a single player and multiplayer open world shooter game with mystery and violence themes. It was developed by kitkatmarty and was released on July 1, 2026.
A monster MMO with an open world to explore... Chase rare loot. Beat up giant bosses with your guild. Level up your monster. Craft and gear up. monsterion also has PvP with 5v5 MOBA lanes and Humans vs Monsters battles.





Games Like monsterion
Looking for games like monsterion? Here are top open world shooter recommendations with a mystery and violence focus, selected from player-similarity data — start with Champions Ascension, Heroes of Dire or Eldramoor: Haven in the Mist.
Frequently Asked Questions
monsterion is a open world shooter game with mystery and violence themes. Common tags for monsterion include first-person, 3D, transhumanism, crafting, early access and others.
monsterion is available on PC, Windows and Linux.
monsterion was released on July 1, 2026.
monsterion was developed by kitkatmarty.
monsterion is a single player game with multiplayer and local co-op support.
Similar games include Champions Ascension, Heroes of Dire, Eldramoor: Haven in the Mist, The Corrupted, Land Of Disorder and others.












