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Abyssus official game artwork

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Abyssus Wiki

Choose your loadout, blast through the corrupted denizens of a sunken civilization, and wield godly powers in Abyssus – a fast-paced 1-to-4 players FPS and roguelite brinepunk adventure.

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

GET YOUR BEARINGS

About Abyssus

Abyssus drops players into a fast‑paced multiplayer shooter set beneath a sunken kingdom. Teams of up to four brine‑powered explorers battle through hand‑crafted levels while a roguelite structure reshapes each run.

The game mixes visceral FPS combat with deep customization: eight brine‑powered weapons, dozens of mods, and divine blessings that add elemental or mystic effects. Survival depends on tactical coordination, positioning, and the right loadout choices.

01 / THE GUIDE

Gameplay & Combat

Abyssus delivers visceral, fast‑paced FPS action where gunfeel and responsiveness are emphasized. Players must coordinate positioning and teamwork to survive the mutated guardians of the abyss.

Firepower alone cannot overcome the diverse enemy threats; tactical choices such as cover usage and timing of abilities are required to stay alive.

  • Communicate enemy types early to allocate roles.
  • Use cover to manage the fast‑paced gunplay.

02 / THE GUIDE

Weapon Customization

The game provides eight distinct weapons that can be modified with 45 weapon mods and over 140 Ancient Forge mods. This lets you infuse brine‑powered armaments with ancient technologies for varied effects.

Customization also extends to suits and skills, allowing synergistic loadouts that match your team’s strategy and the challenges of each run.

  • Mix elemental mods with mystic blessings for extra damage.
  • Balance weapon mods with suit upgrades for survivability.
Abyssus official gameplay screenshot
Publisher-provided gameplay image · DoubleMoose Games

03 / THE GUIDE

Roguelite Progression

Each run presents a procedurally sequenced set of over 70 hand‑crafted levels, ensuring no two experiences are identical. Meta‑progression grants advancements, rewards and unlocks that persist between runs.

Charms, blessings and upgrades collected during a run expand build options for future attempts, encouraging continual refinement of tactics.

  • Prioritize unlocking charms that complement your weapon style.
  • Track which upgrades improve survivability for tougher runs.

04 / THE GUIDE

Multiplayer Co‑op

Co‑op supports up to four players online, making cooperation essential for survival. Teams must choose synergistic loadouts, skills and suits to tackle the gauntlet of enemies and bosses.

Each player’s choices affect the group’s overall effectiveness, so coordinated planning and role distribution are key.

  • Assign complementary weapon types to cover each other's weaknesses.
  • Synchronize skill cooldowns for combined burst damage.

05 / THE GUIDE

World & Setting

Abyssus is set in a brine‑powered world where a rare substance fuels technology and conflict. Brinepunk explorers seek a massive deposit beneath an ancient ruined kingdom.

The atmosphere is described as richly mysterious, with corrupted inhabitants rising from the sunken city to challenge the players.

  • Explore environmental cues for hidden lore.
  • Notice enemy design for hints about brine’s powers.

WATCH THE GAME

Abyssus videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

Your reading checklist

0 of 6 complete

COMMUNITY

Player discussion

    QUICK ANSWERS

    Abyssus FAQ

    How many players can join a co‑op session?

    Abyssus supports up to four players in online co‑op, allowing teams to coordinate their loadouts and tactics.

    Do weapons carry over between runs?

    Weapons are customized per run, but meta‑progression unlocks new mods and upgrades that become available in future attempts.

    Is there single‑player content?

    Yes, the game includes a single‑player mode that follows the same roguelite structure and customization systems.

    More Abyssus guides

    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-22. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.