Single-player games like Mortui: Outbreak Secrets
Below are 8 single-player Steam games similar to Mortui: Outbreak Secrets, 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 Mortui: Outbreak Secrets page.
Ranked picks
- 1
One Last Toast
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
One Last Toast is a single player retro-inspired action horror game set in a Venetian villa. Explore the intricate interiors, solve puzzles and battle relentless zombie hordes to reach the heart of the curse trapping you in this haunted estate.
- 2
Whispers In Paradise
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
Step into a chilling odyssey where reality and the supernatural collide. Join Emily and Sydney as they uncover dark secrets of Paradise Mansion—will they survive the mysteries that haunt them, or be pulled into the shadows forever?
- 3
Estancia Protocol Zero
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
A first-person survival horror set in Neuquén, Argentine Patagonia. Venture into a remote estate in Cerro Ocaso to search for your missing partner. Face hordes of the undead, manage your resources, and solve classic puzzles to survive the nightmare.
- 4
Patient 0
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
Patient Zero is a single player/co-op first-person action survival horror! Experience what it would be like to be at ground zero of a actual unscripted, organically growing zombie outbreak! "No badass heroes here....just survivors!"
- 5
Sass VS Fash: Girlballs of Steel
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
Sass VS Fash is a retro FPS throwback to the Wolfenstein series where the political and supernatural combine into a nazi-killing, action-filled romp in your mission to finally assassinate the Führer of Johannland, Johann W. Weiss.
- 6
CLEARANCE: S-7
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Adventure with Mortui: Outbreak Secrets.
November 1989, Czechoslovakia. As a secret-police officer you descend into the hidden facility Š-7, ordered to burn the archives and silence the witnesses. But no one down there is still alive — only corpses, tapes, and things that used to be people. A retro survival horror about guilt and memory.
- 7
The LastOnesLeft
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
"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.
- 8
Patient 001
Single-player alternative to Mortui: Outbreak Secrets — playable solo, no multiplayer required. Shares Action and Indie with Mortui: Outbreak Secrets.
A psychological FPS meta-horror where you're trapped in an asylum—and inside the game itself. Solve puzzles, manage your inventory, and find clues. Some answers lie outside the game. If you fear editing real files, this nightmare isn't for you.