Single-player games like Manifest Unknown
Below are 9 single-player Steam games similar to Manifest Unknown, 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 Manifest Unknown page.
Ranked picks
- 1
UnQuollified
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
A charming Australian point & click detective mystery about a struggling artist investigating the mysterious death of his childhood best friend. Explore the small town of Bridgegully, interrogate quirky locals, & sketch clues to expose the truth. Are you ready to solve a crime years in the making?
- 2
Thanks for the Soup
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
The job's simple: Go around town and satisfy your customers with some nice and hot soup. Hop on your bicycle and go around town, make some money, buy items, take care of your cat, and much more in this immersive horror simulator.
- 3
DineInn
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
DineInn is a SimLike game where you manage a motel. You can do farming, cooking, maintenance, exploration and management, all while building a reputation and making money. But beware, there are scary events happening around you. Restore the DineInn and uncover its secrets! (Single dev project)
- 4
Roads & Riches: Traveling Merchant Simulator
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Adventure and Simulation with Manifest Unknown.
Hit the road with your merchant caravan! Travel across faraway lands, sell wonderful wares, and find magical treasures - all to win over the world's hearts, minds... and wallets!
- 5
Escape From Mystwood Mansion
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
In this first-person puzzle escape room game, you are trapped in the mysterious Mystwood mansion. Explore the mansion and find hidden compartments while solving puzzles and deciphering codes to find a way out. Will you escape or linger to uncover the mansion's final secret?
- 6
Love Love Mystery Club
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Adventure and Simulation with Manifest Unknown.
In Love Love Mystery Club, you’re the newest member of the Detective Club at a seemingly ordinary high school. Through Full Motion Video (FMV) storytelling, your choices steer the narrative—will your heart find tenderness… or will hidden horrors emerge from the darkness?
- 7
Strange Antiquities
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
Become the custodian of a store dealing in occult antiquities. Explore the quaint and gloomy town of Undermere, where strange goings-on and dark mysteries abound. Find and identify arcane artefacts, use your collection to aid the townsfolk with their unusual problems — and remember to pet your cat!
- 8
Super Loco World - Cozy Train Automation
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Simulation with Manifest Unknown.
Effortlessly build and automate intricate railroads and deliver goods to meet the demands of a dynamic world! Make clever use of signals and signposts to avoid traffic jams, and watch your villages blossom into bustling towns in this cozy take on the train tycoon genre.
- 9
Spiral
Single-player alternative to Manifest Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Manifest Unknown.
Spiral is a third-person narrative exploration game that shares a poetic vision of cognitive degeneration. Step into the shoes of Bernard as you help him and support him while braving his unravelling mind and reliving his most treasured moments.