Single-player games like The Mound: Omen of Cthulhu
Below are 16 single-player Steam games similar to The Mound: Omen of Cthulhu, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The Mound: Omen of Cthulhu page.
Ranked picks
- 1
Claustrophobia
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Claustrophobia offers a scary and dark horror experience filled with blood boiling moments, first you will have to silently move your way through the darkness, until you can pick up arms and discover the truth. Can you figure out what is hiding in this grueling subterranean facility?
- 2
SOMA
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 3
Amnesia: The Dark Descent
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
- 4
Scorn
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Scorn is an atmospheric first-person horror adventure game set in a nightmarish universe of odd forms and somber tapestry.
- 5
Sign of Silence
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Sign of Silence is a 4-player cooperative horror game set in dreadful outskirts of Danwille town. Whether you will escape the place or stay here forever depends on cautious and coordinated actions of the whole team!
- 6
Dolmen
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Dolmen is a terrifying new action RPG that combines futuristic Sci-Fi and Cosmic Horror elements. Will your timeline be erased or will you defeat your enemies to survive and fulfil your mission?
- 7
Loco Parentis / 孤女咒怨
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Surreal survival horror, where you alone or with a friend have to solve puzzles and try to survive in the endless entrance among the monsters
- 8
Exorcist Simulator
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Exorcist Simulator is a 1‑4 player online co‑op horror where every play asks the same, terrible question: Will you cast out the Devil —or wear his skin?
- 9
Rock of Ages
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action with The Mound: Omen of Cthulhu.
A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!
- 10
Rock of Ages 2: Bigger & Boulder™
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action with The Mound: Omen of Cthulhu.
The greatest rock-racing, tower defense, art history game is back! Like the title says, Bigger & Boulder cranks up the surrealism and gameplay with chaotic 4P multiplayer, new time periods, and improved graphics, physics, and destructibility powered by UE4 to be, well… BIGGER AND BOULDER.
- 11
Zeno Clash
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action with The Mound: Omen of Cthulhu.
Zeno Clash is an action/fighting game set in a punk fantasy world. The game is played from a first person perspective and the combat is generally up close and brutal. Experience a deep storyline set in a fantastic world.
- 12
Abyss Odyssey
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
From indie Chilean developer ACE Team comes a new side-scrolling action adventure game featuring a complex fighting engine in procedurally generated levels that destines its three warriors to battle a different abyss each time! Choose your hero and also learn to possess your enemies in the abyss…
- 13
Rock of Ages 3: Make & Break
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action with The Mound: Omen of Cthulhu.
Competitive tower defense meets arcade action and gets rolled up with ACE Team's quirky, Monty Python-esque humor into one giant, creative game for the ages. This time around, you can even make your own levels!
- 14
Clash: Artifacts of Chaos
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Hunted by mercenaries of an enemy with untold power, the fighter Pseudo and the creature under his protection begin a perilous quest to the edges of strange lands.
- 15
The Eternal Cylinder
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Control a herd of charming creatures called Trebhum and explore an unforgettable alien world filled with exotic lifeforms and surreal environments. Discover dozens of mutations to overcome puzzles, explore new biomes, and survive on a dangerous planet.
- 16
The Deadly Tower of Monsters
Single-player alternative to The Mound: Omen of Cthulhu — playable solo, no multiplayer required. Shares Action and Adventure with The Mound: Omen of Cthulhu.
Fire up your ray guns, crystal swords, and laser whips, and get ready for thrills and chills! With three incredible movie stars playing out decidedly B-level sci-fi exploits, Dick Starspeed, Scarlet Nova, and Robot will have you ready to jump off the side of the tower—right into adventure!