The Mound: Omen of Cthulhu Wiki
Co-op Lovecraftian horror guidePrepare your expedition, manage sanity, coordinate with your crew, and learn what the cursed jungle can twist before it devours the team.
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Start Here
Start Your Expedition
Learn the Loop
Understand contracts, exploration, loot extraction, and the return to the galleon.
Manage Sanity
Watch for hallucinations, false audio cues, and teammate perception shifts.
Coordinate Gear
Split muskets, lamps, knives, and support roles before entering the jungle.
Know Platforms
Check PC, PS5, and Xbox availability, editions, prices, and co-op expectations.
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What is The Mound: Omen of Cthulhu?
The Mound: Omen of Cthulhu is a co-op horror adventure from ACE Team and Nacon. Players form an expedition of treasure seekers entering a cursed jungle where reality shifts and survival depends on trust.
Its defining threat is the madness system. The game can alter what each player sees and hears, turning teammates, terrain, and escape signals into dangerous uncertainties.
The expedition structure mixes preparation aboard a galleon, contracts, abandoned forts, scarce resources, and high-risk extraction runs in search of the legendary Mound.
Explore All GuidesDeveloper
ACE Team
Publisher
Nacon
Release
July 15, 2026
Platforms
PC, PS5, Xbox Series X|S
Mode
Solo and online co-op
Genre
Action adventure horror
The Mound: Omen of Cthulhu Wiki Navigation
Jump into the core sections covering survival basics, sanity, co-op, platforms, editions, demo questions, price checks, and troubleshooting.
The Mound: Omen of Cthulhu Beginner Guide
Learn the expedition loop before entering the cursed jungle. This module covers contracts, treasure recovery, extraction pressure, and the basic habits that keep a squad alive.
The Mound: Omen of Cthulhu Sanity
The sanity system changes what players see and hear. Use this module to recognize false audio cues, hallucinated enemies, altered teammate models, and other perception traps.
The Mound: Omen of Cthulhu Co-op
Co-op communication is the player's reality check. This module helps groups divide roles, confirm sightings, avoid friendly fire, and support teammates under psychological pressure.
Voice communication and callouts
Role and gear assignment
Solo practice and cautious scouting
The Mound: Omen of Cthulhu Demo
Track demo questions, trailer evidence, and early gameplay expectations before you commit to a full expedition.
The Mound: Omen of Cthulhu Platforms
The game is verified for Windows PC, PlayStation 5, and Xbox Series X|S. This module gathers store links, release details, and feature notes for players choosing a platform.
The Mound: Omen of Cthulhu Editions
Compare Standard and Deluxe edition content before buying. The Deluxe edition references Abyssal Gear, Fortune Hunters Characters, and the Temple of Yig mission.
Base game access.
Base game plus mission, character, and gear packs.
Lost Explorers' Swords Pack referenced by Xbox Wire.
The Mound: Omen of Cthulhu Price
Compare price intent across Steam, PS5, and Xbox pages before choosing a platform or edition.
The Mound: Omen of Cthulhu Troubleshooting
Track common player questions around black screens, fatal errors, requirements, controller support, and comfort settings using verified platform data and launch evidence.
The Mound: Omen of Cthulhu FAQ
Quick answers based on verified store, launch, and platform evidence.
Keep Your Crew Grounded
Use the wiki to compare mechanics, plan your route, and avoid mistaking hallucination for reality.