Released Jul 15, 2026 $26.99 Mixed Counts toward your Steam games

The Mound: Omen of Cthulhu

By ACE Team · published by Nacon

Co-op Psychological Horror Lovecraftian Roguelite Horror Action Adventure First-Person ExplorationViolentDarkGore

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Followers 62,362

Reviews 3,225 Mixed

Players now 65 Peak today 65

Followers, 30 days — Not enough history yet

The Mound: Omen of Cthulhu is a game tagged Co-op, Psychological Horror and Lovecraftian by ACE Team, released Jul 15, 2026. It has 3,225 Steam reviews (Mixed). The Steam games most like it include The Silent Expedition Echo Protocol, Altarium and THE SHOW.

In up to four player co-op, form a group of explorers searching for treasure. In this cursed jungle, danger is everywhere and monstrous creatures alter reality. Stay clear-headed and tame the jungle before it devours you…

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<a href="https://launchrivals.com/games/2569760-the-mound-omen-of-cthulhu"><img src="https://launchrivals.com/games/2569760/badge.png" alt="The Mound: Omen of Cthulhu launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/2569760-the-mound-omen-of-cthulhu"><img src="https://launchrivals.com/games/2569760/badge.png?theme=light" alt="The Mound: Omen of Cthulhu launch date" width="320" height="84"></a>

The Silent Expedition Echo Protocol 76% match · Co-op, Psychological Horror, Horror
Altarium 72% match · Co-op, Psychological Horror, Horror
THE SHOW 71% match · Co-op, Psychological Horror, Roguelite
Expedition to Madness 70% match · Co-op, Psychological Horror, Lovecraftian
Echo Mates 69% match · Co-op, Psychological Horror, Horror
Unabandoned 69% match · Co-op, Psychological Horror, Horror
PSYKOS 69% match · Co-op, Psychological Horror, Horror
Emissary Zero 68% match · Co-op, Psychological Horror, Horror
Piywebler 68% match · Co-op, Psychological Horror, Horror
Sign of Silence: 99 Nights 68% match · Co-op, Psychological Horror, Horror

Steam data

Everything Steam lists for The Mound: Omen of Cthulhu · record updated 12 hours ago

Steam store

Overview

App ID2569760

Release dateJul 15, 2026

Last change number40190452

Last record update12 hours ago

App type: Game
Developer: ACE Team
Publisher: Nacon
Steam profile: Counts toward game count and achievement totals · checked 1 day ago
Franchise: Nacon

Windows 64-bit

Steam Deck: Unsupported
Controller: Full support

Single-playerMulti-playerCo-opOnline co-opSteam AchievementsFull controller supportSteam CloudPlayStation controllersXbox controllersPlayStation controller BluetoothSteam Trading CardsFamily Sharing

Prices

Price · US$29.99

On sale0 of 41regions right now

Lowest seen · US$29.99Oct 23, 2026

Checked12 hours agoin 41 regions

PeruS/.PEN

Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
25607696	public	Oct 5, 2026

Packages & DLC

ID	Name	Price (US)
4630450	Not on the store yet	—
4630460	Not on the store yet	—
4925780	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
228989	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
2569761	—	Windows	24.04 GB	23.46 GB	258788187947716656

Branch	Build	Updated	Access
public	25607696	Oct 5, 2026	Open

Configuration

Install foldersteamapps/common/The Mound

Executable	Arguments	Systems	Description
TheMound.exe		Windows · 64-bit

Space per player9.5 MB

Filesup to 10

Save locations2

Root	Path	Pattern	Systems
gameinstall	TheMound/Saved/SaveGames	TMSaveGame*.sav	All
WinAppDataLocal	TheMound/Saved/SaveGames	TMSaveGame*.sav	All

Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.

The Mound: Omen of Cthulhu

About The Mound: Omen of Cthulhu

Steam data

Overview

App info

Platforms

Features

Related apps

Prices

PeruS/.PEN

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Packages & DLC

DLCs

Depots

Depots

Branches

Configuration

Launch options

Cloud saves