Single-player games like 15th Floor
Below are 8 single-player Steam games similar to 15th Floor, 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 15th Floor page.
Ranked picks
- 1
15th Prison
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
15th Prison is a horror escape game. There is no exit from this prison. But examine your surroundings carefully and do not ignore any abnormalities. Take the envelope in each block and move on. Your carelessness may result in death.
- 2
Anomalous Crossing ~Shibuya~
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
Suddenly, you find yourself standing at an empty ticket gate at Shibuya Station. Exit Shibuya Station, cross the scramble crossing, and head towards Center Street. However, please be careful about any anomalies.
- 3
Dead Faces
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
Dead Faces is a mind bending psychological horror. Unravel Jack's disturbing mind, the faces from his past and the ultimate truth behind his actions. You must remember their faces.
- 4
The Ultimate Gate
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
Look around… there's a door. Light outside; inside, You await. Obviously, it's a room. A lock on the door, and a key to find, no doubt that's the rule. A door, a room, a lock, a key, and most importantly - You. What are you waiting for? It's the time to ESCAPE! Isn’t that the TRUTH you seek for?
- 5
PooLooP
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Indie and Adventure with 15th Floor.
You are trapped in an endlessly looping indoor swimming pool. The space feels familiar, yet something seems subtly off. If you sense that something is out of place, change direction. If nothing appears different, keep walking.
- 6
Floor 9
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
In Floor 9, you find yourself trapped in a mysterious hotel known as "Hotel Liminal." To escape, you must identify anomalies on each floor. These anomalies can be anywhere - on the ground, in paintings, or even right in front of your eyes.
- 7
Lunacy: Saint Rhodes
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Action and Indie with 15th Floor.
Lunacy: Saint Rhodes is a first-person psychological horror adventure game. Explore your dark family history, solve puzzles and experience a gut-wrenching feeling of terror. You are being watched; never alone, never safe.
- 8
Route8
Single-player alternative to 15th Floor — playable solo, no multiplayer required. Shares Indie and Simulation with 15th Floor.
"You're lost on Route 8. You must find a way to escape. This eerie road is terrifying.""Night falls, the phone rings. Who are you? You find yourself driving along Route 8, repeating endlessly."