Single-player games like Anomaly Observer

Below are 8 single-player Steam games similar to Anomaly Observer, 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 Anomaly Observer page.

1
Morbid
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Early Access with Anomaly Observer.
Morbid is an atmospheric psychological horror game; experienced as Senior Detective J. Taylor, unfold haunting and morbid events that will question your sanity.
2022ActionEarly Access9.99 USDSingle-playerSimilar games →
2
Paranormal Observation
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
Paranormal Observation is a single-player point-and-click ghost hunting game. Use your computer to identify the evil spirit by finding enough evidence and exorcise it with your professional tools.
2024IndieSimulationCasual4.99 USDSingle-playerSimilar games →
3
The Long Way Round
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
Follow Detective Richard Wadd on his search for 6 missing people who have seemingly vanished over the last 3 years. Experience reality bending events and try to uncover the truth in this first-person puzzle thriller.
2026IndieAdventureSimulation5.09 USDSingle-playerSimilar games →
4
TradingLife
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
Immerse yourself in real historical market data, relive it in an endless loop to refine your strategy through constant review—and once you achieve mastery, step seamlessly into live trading.
2026StrategyIndieSimulation11.99 USDSingle-playerSimilar games →
5
Rules: Motel Horizon
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
Work the night shift at a remote motel where monsters wear human faces. Check in suspicious guests, uncover hidden rules, and survive 14 nights where every decision could be your last.
2027IndieSimulationRPGSingle-playerSimilar games →
6
Horror In Valkeala
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
Solve puzzles and mysteries and try find hidden Valkeala logo at this Fps horror puzzle
2022IndieSimulation4.99 USDSingle-playerSimilar games →
7
[Chilla's Art] The Ghost Train | 幽霊列車
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie and Simulation with Anomaly Observer.
The Ghost Train | 幽霊列車 is a psychological train horror game.
2020ActionIndieAdventure2.99 USDSingle-playerSimilar games →
8
Lost Entry
Single-player alternative to Anomaly Observer — playable solo, no multiplayer required. Shares Indie with Anomaly Observer.
Lost Entry is a horror game where you search the dark net for information while avoiding enemies that adapt to your actions. Your goal is to survive the night and complete the task your employer gives you without getting murdered by a bunch of dark net killers.
2026IndieSingle-playerSimilar games →

Ranked picks