Single-player games like Rotten Flesh - Cosmic Horror Survival Game
Below are 14 single-player Steam games similar to Rotten Flesh - Cosmic Horror Survival Game, 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 Rotten Flesh - Cosmic Horror Survival Game page.
Ranked picks
- 1
The Lost
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
You survive a bombing from enemy planes, you are knocked out and on an island with no contact to the outside world.
- 2
Where Dolls Hang
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Where Dolls Hang is a survival psychological horror game where you investigate a place plagued by strange and unsettling events filled with hanging dolls. Explore dangerous locations, gather evidence, uncover hidden secrets, and use your boat to confront the unknown as you search for answers.
- 3
Raven Tear: Season 0
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Raven Tear is a stylized 4-player co-op adventure set in a small open world with horror elements. Farming, fishing, and trading will help you destroy monsters on the outskirts of a small town.
- 4
Clifton
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Adventure with Rotten Flesh - Cosmic Horror Survival Game.
You’re on holiday on a tropical island with your friends, but you find your tour guide DEAD on the beach, and someone on the island wants you to be next. Work together, search for materials and weapons to defend yourselves, build a raft and escape. Will you make it out alive?
- 5
The Backrooms 1998 - Found Footage Survival Horror Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
The Backrooms: 1998 is a first-person found footage psychological horror survival game where it tells the story of a young teen after accidentally falling into the depths of The Backrooms in 1998. Roam freely, mark, explore and try unravel the story - however you are not alone. Don't scream.
- 6
MUZY
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Explore the mystery behind a once-loved and hugely popular children's toy, also known as MUZY, in this terrifying horror adventure game. Several reports detail frightening incidents connected to accidents. Your job is to solve the puzzles and find the cause of these unsettling occurrences.
- 7
Jester: A Foolish Ritual
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Adventure with Rotten Flesh - Cosmic Horror Survival Game.
A co-op survival horror game set in a dark medieval castle. Play as one of four resurrected knights and work together to find hidden runes, unlock the ritual chamber, and escape before the Jester hunts you down. Teamwork, stealth, and survival are your only hope.
- 8
CANINE
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Indie with Rotten Flesh - Cosmic Horror Survival Game.
PSX style horror game about a boy looking for his dog, kidnapped by an evil corporation that runs experiments with pets.
- 9
The Voidness - Lidar Horror Survival Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
The Voidness is a SCI-FI psychological horror game where it takes place inside the void where it's filled with just gloom - the only way to see is by scanning the environment with your range finder device, however you are not alone. Don't breathe ... as they are listening.. and watching.
- 10
Trenches - World War 1 Horror Survival Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Trenches is a First-Person World War l Survival Horror Game where you have to escape the claustrophobic environment and experience the war from the eyes of a soldier caught behind enemy lines in this surreal nightmare as you fight for your life and sanity to get back home to your family.
- 11
Baby Blues Nightmares - Toddler Horror Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Baby Blues Nightmares is a survival horror stealth game where you play as a toddler going into a little adventure with your tricycle which you can fix, maintain and customize. Paddle, hide and survive but remember; try not to cry when you are scared.. or the monsters will hear you and get you.
- 12
The Stairway 7 - Anomaly Hunt Loop Horror Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
The Stairway 7 is an endless loop anomaly hunt and observation "spot the difference" game where you are stuck in a endless loop of stairways with a cat and you have to observe your surroundings carefully to reach the exit. Anomalies are watching, and ready to hunt you down. Don't take them with you.
- 13
The 18th Attic - Paranormal Anomaly Hunting Game
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
The 18th Attic is a psychological horror game where you play as a man trapped in the attic with your cat companion, armed only with a camera. Hunt down paranormal anomalies by taking their pictures and detecting their presence to unravel secrets of your past. Each photo unlocks a new memory.
- 14
Medievaly: Battle Simulator
Single-player alternative to Rotten Flesh - Cosmic Horror Survival Game — playable solo, no multiplayer required. Shares Action and Indie with Rotten Flesh - Cosmic Horror Survival Game.
Feeling Medievaly? Travel to the most vibrant version of the Dark Ages yet to defend your kingdom from encroaching enemies! Devise creative strategies, manage resources, and enjoy a dynamic simulated medieval battlefield where every decision matters and the unexpected will always happen!