About the Game

Gather your friends and dive into Abyssus' fast-paced multiplayer shooting action. Fight through gorgeous hand-crafted levels in a roguelite adventure that will put your tactical skills to the ultimate test. Wield powerful brine-powered weapons and refit them with ancient technologies to gain an edge over your foes. Obtain divine blessings to enhance your firepower with elemental and mystic effects.
In a world powered by brine, a rare and powerful substance only found in the deepest fathoms of the sea, your team of daring brinepunk explorers is recruited to claim a massive deposit located beneath the ruins of an ancient civilization. However, your mission becomes a frantic battle for survival when the sunken kingdom’s corrupted inhabitants rise against you.
Will you survive to see the surface again, or will the abyss claim your life?
In Abyssus, cooperation means survival. Team up with fellow Brinehunters and carefully choose synergic loadouts, skills, suits, and weapon mods. Work together and fight through a merciless roguelite gauntlet, where no run is the same as the last.
Wield highly customizable, brine-powered armaments and infuse them with the might of ancient Gods. Master 8 weapons and 45 weapon mods, upgrading your skills and suit as you face the underwater kingdom’s mutated guardians.
Run after run, you’ll access more and more upgrades and tactical choices, but firepower alone won’t save you from the denizens of the depths. Mastering Abyssus's visceral gunplay and fast-paced action will require tactical coordination, positioning skills, and cohesive teamwork.
The world of Abyssus is richly atmospheric and steeped in mystery. What untold secrets lie in the sunken kingdom? What gives brine its inexplicable powers? Can we weaponize an anglerfish? The answers lie deep down below…
Visceral, fast-paced FPS action, with top-notch weapon feel and combat responsiveness
Up to 4-players co-op
Roguelite meta progression with advancements, rewards, and unlocks
64 hand-crafted levels, procedurally sequenced to make every run a new experience
8 different weapons customizable with 45 weapon mods
Extensive pre-run and in-run character customization options
36 different enemies and four bosses that will put your skills to the challenge
… and more content to come after launch!
Screenshots
10 images
Version Information
Update RequiredLatest on Steam
Build 21496791
Released Jan 16, 2026
Current Release
v1.0.150856
Uploaded Sep 28, 2025
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System Requirements
How to Install
RGame.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
3.6 GB
v1.0.150856
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Download Abyssus for PC with a direct link or via torrent. Get the full version of Abyssus for free. Abyssus is a Action released by DoubleMoose Games.