Single-player games like Memento Machinam
Below are 11 single-player Steam games similar to Memento Machinam, 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 Memento Machinam page.
Ranked picks
- 1

No One Returns
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
Have you ever wondered what happens if you wake up and everyone is simply gone? No One Returns is a third-person survival horror game. Play as Denis, search a chillingly silent city for clues about your missing family while fighting the frightening zombies swarming the streets.
- 2

METAL GEAR SOLID 4: Guns of the Patriots - Master Collection Version
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
Solid Snake's final mission. Five years after the Big Shell incident, in an era where war has become a business due to the rise of PMCs (Private Military Contractors). To stop Liquid Ocelot's uprising, the legendary hero Solid Snake faces his final battle.
- 3

The Sinking City 2
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
Set in the Roaring '20s, The Sinking City 2 is a survival horror steeped in Lovecraftian dread. Defy an eldritch deity and explore the drowned alleys of Arkham, stalked by the dead, as you weigh one life against an entire city.
- 4

CUFFED
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Adventure with Memento Machinam.
Awaken deep inside a ruined underground lab with your wrists permanently bound. In this combat-free survival horror, your shackles are your only tool. Solve systemic puzzles, override security systems, and outsmart the terrifying specimens hunting you to escape.
- 5

Hollowbody
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Adventure with Memento Machinam.
A tech-noir survival horror short story, set in the urban decay of a long abandoned British city. Solve environmental puzzles, manage limited resources and fight for a way to escape beyond the wall.
- 6

Haydee 3
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
Haydee III is a hardcore metroidvania with third-person shooter mechanics, platforming, puzzles, a sexy heroine and cake!
- 7

Haydee 2
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
Haydee II is a third-person puzzle-shooter, but with a sexy character and a cake!
- 8

Daymare: 1998
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Action and Adventure with Memento Machinam.
DAYMARE: 1998 is a third-person survival horror game that recreates the mood of iconic titles from the '90s, with a fresh storyline. An incident that turns a small town into a deadly zone, three characters to play with and little time to find the truth, before its mutated citizens abruptly end your mission.
- 9

The Inheritance of Crimson Manor
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Adventure with Memento Machinam.
Explore a beautiful and Enigmatic Victorian Manor with a dark secret, In this gothic horror story first person exploration puzzle game filled with fine art, secret passages and mysterious mechanical puzzles playing as the executor of the last will from the enigmatic Railroad Magnate Hadley Strange.
- 10

Alice Trapped Beyond Wonderland
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Adventure with Memento Machinam.
Discover and solve the mysteries from the magical kingdoms beyond the amazing Wonderland, Find where the evil red queen banished all your friends, gather clues about their whereabouts, and solve inventory puzzles to rescue them in this fantasy Point & Click / Escape the Room style game.
- 11

Atomic Escape: Reverse Escape Room
Single-player alternative to Memento Machinam — playable solo, no multiplayer required. Shares Adventure with Memento Machinam.
Uncover a profound secret conspiracy solving puzzles and cracking codes to access the confidential files from a secret space travel project in this first person point and click adventure game set in a beautiful mid century atomic age ranch.