Single-player games like The Origin Theory - Episode One
Below are 8 single-player Steam games similar to The Origin Theory - Episode One, 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 The Origin Theory - Episode One page.
Ranked picks
- 1
PENGUIN HOTEL -Chapter 1-
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure and Free To Play with The Origin Theory - Episode One.
You have been invited to the popular “Penguin Hotel”. There, you get caught up in a terrifying event. Solve puzzles and battle with a special camera! Experience a very strange penguin horror.
- 2
The Last Society
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure with The Origin Theory - Episode One.
In The Last Society, you leave a 20-year bunker to survive a realistic post-apocalyptic world. Scavenge, ride horses, and face terrifying zombies.
- 3
Nathan Morgan: Dilemma
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure with The Origin Theory - Episode One.
Nathan Morgan: Dilemma is a single-player detective game. Detective Nathan Morgan, stationed in the state, is assigned to follow the trail of the mysterious murder at the Bennett mansion. Our goal is to find the killer by making use of the clues.
- 4
Paranormal Inc.
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure with The Origin Theory - Episode One.
Horror with a real life footage. You will watch live CCTV footage and report the anomalies you see.
- 5
Don't breathe in!
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required.
"Don't Breathe In" is a psychological horror game where you must survive in an abandoned laboratory. Solve puzzles, find an escape route, and be careful—every breath you take brings you closer to death in a toxic gas-filled environment. ✔ Horror & Thriller | ✔ Puzzle & Exploration | ✔ Survival
- 6
aMAZEd
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required.
aMAZEd is an atmospheric first-person exploration adventure game with elements of action and horror. Lost in a labyrinth, prey to others. Find as many items and clues to escape it and enjoy escalating difficulty in both exploration and action aspects of the game.
- 7
Evil Officer
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure with The Origin Theory - Episode One.
You are kidnapped and locked up in Jail. Can you escape? Well, it's not gonna be easy when the Evil Officer is roaming around!
- 8
CANDYLAND: Sweet Survival
Single-player alternative to The Origin Theory - Episode One — playable solo, no multiplayer required. Shares Adventure with The Origin Theory - Episode One.
Delve into the chilling enigmas of a forsaken chocolate factory, where shadows lurk and whispers echo through the empty halls. Traverse haunting levels fraught with foreboding, decipher macabre puzzles, and evade the grasp of sinister entities that hunger for your soul.