Abyssus is a roguelike first-person shooter video game developed by DoubleMoose and published by Big Sugar.


As a late 19th Century brinepunk engineer, you are recruited on an expedition to explore the subaquatic ruins of an ancient civilization. However, your mission of discovery turns to one of survival as the sunken kingdom’s corrupted inhabitants make it clear that interlopers are not welcome.

Wield an array of exotic, adaptable weaponry, and fortify yourself with mysterious, enhancing powers as you engage in a seemingly perpetual battle against the watery domain’s ranks of mutated guardians.

Abyssus is the latest creation from Swedish developer DoubleMoose, which was founded by ex-developers from Coffee Stain and Ubisoft.

Key Features

  • Use Outlandish Guns to Kill Outlandish Enemies – Equip yourself with human brinepunk firearms or strange, ancient weapons as you prepare to face foes unlike anything you’ve ever encountered before.
  • Experiment with Weapon and Character Mutations – Modify and customize your guns to suit your playstyle, and harness the power of passive and active abilities to give you an edge over enemies.
  • Explore the Underwater Ruins of an Ancient Civilization – Influenced by the legend of Atlantis and inspired by Aztec architecture, the world of Abyssus is richly atmospheric and steeped in mystery.

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