Single-player games like OPEN DOOR
Below are 8 single-player Steam games similar to OPEN DOOR, 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 OPEN DOOR page.
Ranked picks
- 1
Welcome to Kowloon
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Indie with OPEN DOOR.
This is an indie horror from the first person, in which you find yourself in an area called Kowloon in search of cheap housing. The inhabitants of this place only at first glance seem to be ordinary people, but if we dig deeper, we will see their real faces.
- 2
EBOLA 3
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
EBOLA 3 - is created in the spirit of the great classics of survival horrors. In this game, you will control the main character with a first-person camera which makes you feel like you’re in a real horror movie.
- 3
HELLSEED: All Chapters
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
HELLSEED is a first-person horror adventure that combines puzzles, action, and a chilling narrative. In a dark world full of supernatural threats, you’ll need to solve complex puzzles and manage your sanity. This isn’t just a fight for survival—it's a journey into the depths of terror.
- 4
The Story of Henry Bishop
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
The story of Henry Bishop is a first-person psychological thriller, where the player will have to fight, guess riddles, immerse into a mystical plot and an incredible story.
- 5
SOMA
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 6
Ad Infinitum
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action with OPEN DOOR.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- 7
Oxide Room 104
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
A bone-chilling body-horror game with escape room gameplay. Bad decisions have brought Matthew to this terrifying motel. Now it’s up to you to decide how to escape - will you make it out alive?
- 8
PATHOGEN X
Single-player alternative to OPEN DOOR — playable solo, no multiplayer required. Shares Action and Indie with OPEN DOOR.
An immersive, first-person survival shooter where you step into the boots of Special Agent Aiden Clark. Dive deep into a hazardous underground laboratory, tasked with the perilous mission of neutralizing a biological menace and securing a pathogen sample.