Single-player games like Crimson Theory
Below are 8 single-player Steam games similar to Crimson Theory, 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 Crimson Theory page.
Ranked picks
- 1
Zombie Claus
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Indie and Adventure with Crimson Theory.
You find yourself in a big empty house. Around the Christmas lights, but no friends, no family, and only bad Santa. Solve the mystery of the protagonist.
- 2
The LastOnesLeft
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Indie with Crimson Theory.
"The LastOnesLeft" is a first-person survival horror game where the player finds themselves in an abandoned village overrun by zombies. Uncover the truth about what happened by finding mysterious letters from an unknown source.
- 3
Afterlight
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Indie with Crimson Theory.
Afterlight is an open-world sandbox survival horror game combining base-building, crafting, and tower defense. Hunt for supplies by day. Build your defenses and outlast the horde when night falls, solo or co-op. The virus was planned. You're the loose end.
- 4
Arachnoid
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Indie with Crimson Theory.
Arachnoid is a first person horror game about moving into a house and finding a giant spider infestation. Fix your house, walk to surrounding points of interest, and defend yourself with shotgun after finding it. In an immersive VHS style Arachnoid will pull you into this horrifying mystery.
- 5
Afterlife VR
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Adventure with Crimson Theory.
Afterlife VR is a deeply immersive horror game. As Adam Bernhard, a young rookie police officer on a night patrol, you receive a call that will change your life forever. Uncover secrets hidden deep within the Black Rose mental hospital walls, where most of the patients pose a great danger.
- 6
Gynophobia
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Indie with Crimson Theory.
Gynophobia is a horror themed shooter about abnormal fear of women. Gynophobia is using classic first person shooter gameplay, to convey story about Mark, who is suffering from different phobias, including abnormal fear of woman.
- 7
?? Movie Theater
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Indie and Adventure with Crimson Theory.
This is a funny movie theater where you can watch any kind of movie. I saw a movie here. It is a story of a high school boy “Sota Sakurai” until ※※※※※※.
- 8
iBLiS
Single-player alternative to Crimson Theory — playable solo, no multiplayer required. Shares Action and Indie with Crimson Theory.
Demon is a first-person psychological horror game. How much can a game affect your real life? Enjoy a realistic home environment and terrifying moments of being immersed in a real-life story.