Abyssus guides for every dive

Brinepunk co-op FPS roguelite
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Official launch and update trailer

Plan Abyssus runs with weapon mods, Ancient Forge choices, co-op roles, boss notes, level routing, and progression goals before your next descent.

1-4 player online co-op70+ hand-crafted levels9 weapons with 54 mods140+ Ancient Forge mods36 enemies and 12 bosses

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What is Abyssus?

Abyssus is a fast cooperative FPS roguelite set in a brine-powered civilization beneath the sea.

Players become Brinehunters, fight through handcrafted levels, tune weapons and mods, and coordinate solo or four-player runs.

This wiki focuses on practical routes for weapons, builds, co-op roles, platform notes, updates, and long-term progression.

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Developer

DoubleMoose Games

Publishers

The Arcade Crew and Dotemu

Co-op

1-4 players

Weapons

9 weapons with 54 mods

Ancient Forge

140+ mods

Platforms

Steam, PS5, Xbox Series X|S

Modules de guide

Jump into the topics players search most: beginner routes, build planning, weapons, co-op, progression, platforms, and update notes.

Beginner Guide

A first-dive guide for understanding the Abyssus loop, combat tempo, loadout setup, and early survival priorities.

LoopStart from the Brinehunter role, choose a loadout, then fight through roguelite runs under the ocean floor.
SurvivalFast FPS movement, positioning, and target priority matter because corrupted swarms can punish static play.
GrowthMeta progression, rewards, and unlocks make repeated runs part of the core plan.
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Weapons and Mods

A weapon and mod planning hub for Abyssus loadouts, brine-powered armaments, Ancient Forge mods, and upgrade choices.

Weapons Tier

The official feature set lists 9 weapons and 54 weapon mods in the current press kit.

Forge Tier

Over 140 Ancient Forge mods can further empower weapons and skills.

Builds Tier

Weapon mods, blessings, charms, and suit choices should be planned together instead of separately.

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Best Builds

Build-planning notes for solo and co-op Brinehunters, covering damage, survivability, blessings, charms, and mod synergy.

SoloSolo plans need reliable damage uptime, recovery, and room-control tools.
Co-opTeam builds can specialize around burst damage, crowd control, revive safety, and boss pressure.
SynergyOver 250 charms and blessings create enough variation that repeatable build logic matters.
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Co-op Guide

A practical co-op route for Abyssus teams that need role coverage, positioning, revives, and shared upgrade planning.

PlayersAbyssus supports online co-op for up to 4 players.
CoordinationSteam describes cooperation as survival, with synergic loadouts, skills, suits, and weapon mods.
CrossplayThe official 1.3 console launch messaging describes full cross-platform multiplayer.
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Roguelite Progression

A progression guide for unlocks, run-to-run upgrades, Ancient Forge choices, charms, blessings, and tactical decisions.

MetaThe official feature list calls out roguelite meta progression with advancements, rewards, and unlocks.
RunsThe 70+ hand-crafted levels are procedurally sequenced to make each run different.
ChoicesPre-run and in-run customization both affect how deep a run can go.
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Enemies and Bosses

A threat guide for corrupted denizens, enemy pressure patterns, boss preparation, and tactical counters.

Enemies Tier

Official materials list 36 different enemies.

Bosses Tier

Official materials list 12 bosses.

Pressure Tier

Fast combat responsiveness and swarm pressure make movement and target priority core skills.

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Levels and Run Routing

A route-planning module for level sequencing, room decisions, underwater hazards, and run pacing.

LevelsThe official page lists 70+ hand-crafted levels.
SequencingProcedural sequencing means the best plan is a decision framework, not a single static route.
DepthThe brine-powered sunken civilization premise supports tactical exploration and escalating combat.
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Platforms and Release Date

A release and platform reference for Steam, PlayStation 5, Xbox Series X|S, pricing, achievements, and language support.

SteamAbyssus released on Steam on August 12, 2025.
ConsoleThe official press kit lists PlayStation 5 and Xbox Series X|S release on June 25, 2026.
LanguagesSteam lists English plus eight supported interface/subtitle languages.
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FAQ

Quick answers for players checking weapons, builds, co-op, platforms, and progression.

What is the game?

It is a cooperative FPS roguelite from DoubleMoose Games, published by The Arcade Crew and Dotemu.

How many players can join co-op?

The validated handoff records online co-op for up to four players.

Where should beginners start?

Start with beginner guides, then compare weapons, builds, and progression routes.

Build your first plan before launch

Use the wiki bundle to compare weapons, builds, co-op roles, platforms, updates, and progression before the next run.