Single-player games like Ad Infinitum
Below are 9 single-player Steam games similar to Ad Infinitum, 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 Ad Infinitum page.
Ranked picks
- 1

Scorn
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Action and Adventure with Ad Infinitum.
Scorn is an atmospheric first-person horror adventure game set in a nightmarish universe of odd forms and somber tapestry.
- 2

Still Wakes the Deep
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Action and Adventure with Ad Infinitum.
1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.
- 3

Silver Chains
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Adventure with Ad Infinitum.
Silver Chains is a first-person horror game with a strong emphasis on story and exploration. Search for clues within an old abandoned manor to unravel the truth about the terrible events which have happened.
- 4

The Beast Inside
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Action and Adventure with Ad Infinitum.
The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.
- 5

Don't Be Afraid
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Action and Adventure with Ad Infinitum.
Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…
- 6

Those Who Remain
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Adventure with Ad Infinitum.
As the lights go out, the embers of darkness are stoked in the sleepy town of Dormont. Confront uncomfortable horrors, keep your sanity in check and survive the night in this story-driven first-person psychological-thriller.
- 7

SOMA
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Action and Adventure with Ad Infinitum.
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.
- 8

Dead Take
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Adventure with Ad Infinitum.
Find your missing friend. Uncover the secrets within. Brave a luxurious and haunting mansion in Dead Take, a first-person psychological horror crafted by Surgent Studios.
- 9

AMNESIA
Single-player alternative to Ad Infinitum — playable solo, no multiplayer required. Shares Adventure with Ad Infinitum.
After a series of events now shrouded in mystery, our protagonist - a young man - fell into a coma, losing all recollection of the person he used to be. He is given a clean slate. All that’s left to do now is to carefully and thoroughly investigate every facet of your former self.