Video Game Data

Four exclusive outfits inspired by the Cult of Tsathoggua, one for each of the starting explorers.

Developer: ACE Team

Publisher: Nacon

Release Date: Oct. 29, 2026

Genres: Action Adventure

Tags: Action Adventure Co-op Dark Exploration Extraction Shooter First-Person Gore Horror Lovecraftian Multiplayer Online Co-Op Open World Pirates Psychological Horror Roguelike Roguelite Survival Survival Horror Violent

Reviews: 1 (Followers)

Followers: 63043

The steam store page for this dlc has a mature content description.

Price:
USD: $2.99

Platforms: Windows

Languages: English*, Italian, German, Spanish - Spain, Simplified Chinese, Korean, Japanese, Polish, Portuguese - Brazil, Russian, French

Steam Achievements: None

Estimated Sales: $89

The Mound: Omen of Cthulhu - Tsathoggua Cultist Skin Pack on Steam

Categories: Camera Comfort Co-op Custom Volume Controls Downloadable Content DualSense Controller Support DualSense Controller Support DualShock Controller Support DualShock Controller Support Family Sharing Full controller support Multi-player Online Co-op Playable without Timed Input Single-player Steam Achievements Steam Cloud Steam Trading Cards Stereo Sound Subtitle Options Surround Sound