Single-player games like Mycosis
Below are 9 single-player Steam games similar to Mycosis, 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 Mycosis page.
Ranked picks
- 1
1899: Secrets of the Maze
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
"1899: Secrets of the Maze" is a survival journey in a mysterious labyrinth. Subject No. 3 embarks on an adventure triggered by a Rubik's cube, battling zombies, setting traps, and uncovering the secrets of Dimension Technology Lab.
- 2
ARKEVIL
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
A frenetic action-shooter inspired by the arcade classic *Super Pang*! Battle floating heads—skulls, zombies, and vampires—and collect bonuses. Use a wide array of weapons and power-ups to progress through increasingly challenging levels. Features hand-painted graphics and a Rock-Punk soundtrack.
- 3
Alchemists
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
Alchemists is a Co-Op horror game that can be played with at least a minimum of 1 and a maximum of 4 players. Your goal is to expel the evil spirit from cursed places by completing the 4 Element ritual. Destroy the monster alone or with your team using your tools.
- 4
Bionic Bay
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
A scientist uses a unique teleportation instrument to escape an ancient biomechanical world filled with imaginative technology, deadly traps, and hidden secrets.
- 5
DEPLOYMENT
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
An intense competitive top-down shooter: choose your class, capture turrets, progress, and dominate in the arena. top-down shooter, multiplayer shooter, arena shooter, class-based shooter, sci-fi shooter
- 6
CortexGear: AngryDroids
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
CortexGear:AngryDroids is a clasic 3d Sci-Fi shooting sidescroller in which quick tactics and skills need to be in harmony the beat the game. A run-and-gun shooter with both mouse and keyboard. This game does not negotiate!
- 7
The Multi-Medium
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Indie and Adventure with Mycosis.
The Multi-Medium is a visually unique 2D puzzle platform adventure in which you play as an interdimensional explorer lost in the multiverse. Travel to diverse worlds, each drawn or painted by hand in a different medium and style, in search of your place in the cosmos.
- 8
You are Peter Shorts
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
You are PETER SHORTS! You have been captured and taken to a secret cloning facility. Can you escape with your newly-cloned brethren?
- 9
Half-Life
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action with Mycosis.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.