Steam app 2569760 · updated 12 Sep 2026, 18:33 UTC
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…
720 hourly samples, with the daily peak drawn over them. Weekends are shaded.
3 months, July 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
15 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 438 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 282 hourly samples. Each dip is a night. Weekends are shaded.
The Mound: Omen of Cthulhu was released on 15 Jul, 2026.
This game features intense violence, blood and gore.
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| English | ● |
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A blank audio cell means full audio was not marked in the returned language list.
Launch Trailer
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Gameplay Overview Trailer
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Ready Your Expedition
Watch on Steam25 achievements in total.
36 developer announcements, Mar 2025 to Sep 2026 · times in UTC
Howdy explorers, Have the new creatures lurking within the jungle been causing you trouble?We're currently working on our next big patch, but we've also been trying to resolve some outstanding issues that have been cropping up for some…
NaconHello explorers, It's been a couple of weeks since our last update, which focused on quality-of-life improvements, with updates to our matchmaking, filters, the ability to teleport out if you get stuck, and other tweaks and changes. Today's…
NaconHello explorers, We're back with another patch for The Mound: Omen of Cthulhu. Our latest patch focuses on Quality of Life features to improve your overall game experience. We're starting with an improved matchmaking experience with filters…
NaconHello explorers, It's been a couple of weeks since the launch of The Mound: Omen of Cthulhu. We hope you've been enjoying the special kind of chaos that can only be brought by cosmic entities beyond our understanding and if you think you've…
NaconHello expeditioners, We're dropping our first hotfix for The Mound: Omen of Cthulhu onto Steam. This patch is designed to address a lot of the issues that people have encountered since release. There are some improvements to optimisation &…
NaconHello Expeditioners, We hope your journeys towards the Mound have been full of adventure, treasure, and definitely not full of horrifying hallucinations and mind bending creatures. Since launch, we've had a lot of feedback and the teams are…
NaconThank you for playing The Mound: Omen of Cthulhu. This first update since the demo brings new content, a significant wave of community-driven improvements, and a preview of what's coming next.New FeaturesWeapon Upgrade Anvil - a new station…
Patch notesSomething old is waking beneath the rootsNacon and ACE Team are thrilled to finally put this game in your hands. The Mound: Omen of Cthulhu is now live on Steam!A word from ACE TeamA huge thanks to all our community from everyone at ACE…
NaconWe've reached an incredible milestone: The Mound: Omen of Cthulhu has surpassed 800,000 wishlists.To everyone who followed the game's development, shared it with friends, joined our playtests, or simply clicked that Wishlist button: thank…
NaconThe clock is ticking. On July 15th, the gates to the cursed jungle swing wide open. We are officially 9 days away from the launch of The Mound: Omen of Cthulhu!To make sure your crew is physically and mentally prepared for the horrors…
NaconThe jungle doesn't care what it costs to enter. But we do - so here's the breakdown:Additional Mission for FREEExpand your adventure with the Temple of Yig Exclusive Mission! Unearth ancient mysteries in a unique area of the cursed…
NaconHey explorers,First, we have some amazing news: our playable demo will remain live until next week!During our recent demo, we saw some absolutely legendary moments of survival, panic, and accidental squad betrayals. Now, we want to see them…
NaconExplorers, you’ve done it again!Thanks to your incredible support and for dragging your friends into the canopy with you, we have officially crossed 600,000 wishlists on Steam!This means our second milestone is officially unlocked, securing…
NaconSteam Next Fest has officially come to an end, and we are absolutely speechless! Over the course of the event, more than 200,000 brave explorers stepped foot into the cursed jungle of The Mound: Omen of Cthulhu.Whether you successfully made…
NaconA new build is live for the Steam Next Fest Demo. Here's what changed.Improvements & New FeaturesWeapon looting from corpses - you can now pick up weapons directly from enemy bodies. One less reason to go in empty-handed.Two new sanity…
Patch notesHey everyone,We’re excited to share that the playable demo for The Mound: Omen of Cthulhu is now live as part of Steam Next Fest (June 15 to 22) starting right now!This demo will be available for a limited time during the event. If you’ve…
NaconThe jungle has fallen silent... for now.The Closed Beta expedition for The Mound: Omen of Cthulhu has officially concluded. To everyone who braved the cursed canopy, battled unspeakable horrors, and questioned their own sanity: thank you.…
NaconHello Explorers, The wait is finally over! Closed Beta keys for The Mound: Omen of Cthulhu have officially been dispatched. If you registered for this playtest, please check your inbox (including your spam, promotions, or junk folders).…
NaconThank you for your incredible support and active participation in the current phase of The Mound: Omen of Cthulhu. Our team is actively tracking several issues. Below is a list of the currently known issues, their gameplay impact, and what…
NaconThe expedition is clear: rally your crew and unlock the Wishlist milestones for The Mound: Omen of Cthulhu. With every milestone we conquer, the price of entry into the jungle drops, ensuring more explorers can join the descent into madness…
NaconA Closed Demo for The Mound: Omen of Cthulhu runs from June 5th to June 8th. A limited number of players will get access before launch - enough to explore, extract, and hopefully survive.Assemble your squad and join the first expedition…
NaconDeep in the jungle, among the tangled branches that blot out the sky, the Tue Tue waits. Motionless. Patient. You might not notice it until it's already too late.OriginThe Tue Tue draws from Chilean and Mapuche folklore, where it is known…
NaconWe've been quiet about what actually happens inside The Mound. Today, that changes.Art Director Edmundo Bordeu takes you through a full gameplay session of The Mound: Omen of Cthulhu: no cuts, no safety net. Just the jungle, the monsters…
NaconAhoy Explorers!For months, we have spoken of the horrors that await you in the jungle. Today, we give them a face.The time has come to pull back the veil and reveal the brand-new key art for The Mound: Omen of Cthulhu. This is the image…
NaconAhoy, Explorers.Before you step into the suffocating embrace of the jungle, you must first stand before the Captain in the relative sanity of the Galleon. Here, you will not be given orders, but a choice. A contract. Each one is a pact, a…
NaconHey Explorers,What happens when you drop four explorers into a cursed jungle? Pure, unadulterated chaos.We handed the keys to the jungle over to 4 creators to see how they'd handle their first expedition. The result? A journey through…
NaconNot every expedition succeeds through force alone.Some require patience. Others demand misdirection - and a willingness to step closer to the enemy than comfort allows.This second loadout is designed around controlled aggression and…
NaconIn The Mound: Omen of Cthulhu, not every enemy attacks on sight.The Y’m-bhi - inspired by their appearance in The Mound - are reanimated bodies bound to the jungle, and they behave less like mindless undead and more like sentries.When a…
NaconWe’re thrilled to share the first gameplay reveal trailer for The Mound: Omen of Cthulhu: a first glimpse at the chaos, tension, and unpredictable encounters that await inside the forest.From close-quarters confrontations to frantic…
NaconAn exclusive look at three essential tools in The Mound: Omen of Cthulhu.As we continue shaping our title, we want to start giving you a closer look at the equipment you will be able to rely on to successfully complete your contracts.…
NaconIn The Mound: Omen of Cthulhu, the forest isn’t just a backdrop: it’s your first enemy. These in-game shots are still work in progress, but they already hint at the tension you’ll face: dense vegetation, unnatural silence, and paths that…
NaconA message to our explorers: 🧭 Join the CommunityFacebook Twitter Discord
NaconBefore a single torch flickered, before the jungle whispered its first warning, there was only an empty stage, a few actors in mocap suits, and a very clear vision:Show players what it feels like to descend into the unknown.Motion Capture…
NaconIt took no more than a single look at that monstrous and insidious cylinder to make me realise the dizzying gulfs that yawned between all men of the known earth and the primal mysteries it represented. Before that gulf Pánfilo de Zamacona…
NaconAhoy Conquistadors! It’s time for your first exploration briefing: here’s how all your expeditions should go: Create Your Group & Dive into the Action Whether you’re teaming up with friends or matching with fellow adventurers, forming your…
NaconWe’re excited to share our upcoming Lovecraftian horror co-op game developed by ACE Team. Prepare for your future exploration, in order to discover what The Mound: Omen of Cthulhu has to offer for the bravest among you. About The Mound…
NaconEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| The Mound: Omen of Cthulhu – Lost Explorers' Swords Pack | Windows | 15 Jul 2026 |
| The Mound: Omen of Cthulhu - Original Soundtrack | WindowsmacOSLinux | 15 Jul 2026 |
| The Mound: Omen of Cthulhu - Characters & Items Pack | Windows | 15 Jul 2026 |
| The Mound: Omen of Cthulhu - Temple of Yig Exclusive Mission | Windows | 15 Jul 2026 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | TheMound.exe | windows 64 |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | TheMound/Saved/SaveGames | TMSaveGame*.sav |
WinAppDataLocal | TheMound/Saved/SaveGames | TMSaveGame*.sav |
It runs on public data and somebody's spare time.
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