Single-player games like Reactoryx
Below are 8 single-player Steam games similar to Reactoryx, 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 Reactoryx page.
Ranked picks
- 1
Hotelnomaly
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
Hotelnomaly is an endless loop anomaly hunt game where you play as a mechanic hired to fix an elevator in a lonely 1930s hotel. Discover eerie anomalies, navigate haunted corridors, and uncover dark secrets. Could you finish your job and escape safely?
- 2
Paranormal Observation
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
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.
- 3
Ghostpunk
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
Investigate paranormal cases using a 1990s CRT terminal. Analyze photos. Decode audio. Interrogate suspects and decide what’s real, what’s fake and who’s lying. But the deeper you go, the more the system starts watching you back.
- 4
An Odd Walk: Shinjuku Alley
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
Exit the looping alley by observing the environment and correctly answering "anomaly" or "no anomaly" 9 times in a row. Anomaly-spotter/walking simulator set in an odd imitation of an alley in Japan.
- 5
Anomaly Center
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie with Reactoryx.
After a wave of layoffs following a murder at the mall, you step in as the night security guard. The job is simple: catch shoplifters and stop anomalies from reaching safe limits. Just remember - DAC has its eye on you.
- 6
User.exe
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
User.exe is a psychological horror experience that takes place in WinShade Operating System. Inside lives User, a virtual assistant trapped in the system, asking for help to finish a failed mission: install a virus to destroy Admin, a digital entity tied to urban legends and missing people.
- 7
Table 9
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
Deliver coffee to 9 tables in a looping European-style specialty cafe, spot the anomalies creeping in and reach Table 9.
- 8
Buenos Aires Mirror Line
Single-player alternative to Reactoryx — playable solo, no multiplayer required. Shares Indie and Simulation with Reactoryx.
Carefully observe your sorroundings and come back to your reality by finding what doesn't fit. If something's wrong take the bus back from across the street. A game situated in the haze of Buenos Aires.