The Mound: Omen of Cthulhu Launches on Steam with Free DLC and Launch Discount

What launched

Developed by ACE Team and published by Nacon, The Mound: Omen of Cthulhu is now live on Steam. The game casts players as a band of treasure hunters navigating a corrupted Valdivian jungle, facing creatures and uncovering something ancient buried beneath the roots.

The title supports cooperative play, with each explorer described as bringing distinct tools and instincts to the expedition. Parties can be led or joined, and the game frames itself around survival and reaching the titular Mound.

What's included at launch

• Temple of Yig Exclusive Mission — a free DLC offering a separate area of the jungle; only the host needs the DLC for the full party to access it
• Lost Explorers' Swords Pack — available at no extra cost for buyers within the first two weeks of launch
• 20% launch discount — active for the same two-week window before it expires

ACE Team noted the game has been in community dialogue since a demo debuted on Steam, and signaled that development will continue with player feedback informing future work.

For players who followed the game through its demo period, the launch window rewards are the most time-sensitive consideration — the discount and the Swords Pack both lapse once the two-week offer closes.