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
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!
- 2
Elite Comet
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
In Elite Comet's Beta 0.1.0, get ready to engage in thrilling multiplayer battles like never before. Challenge yourself and your friends as you face off against 10 AIs or 10 fellow players in intense cosmic warfare.
- 3
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?
- 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
Relicta
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
Relicta is a first-person physics-based puzzle game where you need to creatively combine magnetism and gravity to unravel the secrets of Chandra Base.
- 6
La-Mulana
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Indie with Mycosis.
LA-MULANA is an “Archaeological Ruin Exploration Action Game,” bringing the classic appeal of adventure with the punishing difficulty of retro-inspired gaming. Search inside ancient ruins, seeking out the “Secret Treasure of Life” – which sleeps in the sprawling ruins of “LA-MULANA” and is said to be the beginning of all civilization.
- 7
The Talos Principle 2
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Adventure with Mycosis.
The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.
- 8
Portal 2
Single-player alternative to Mycosis — playable solo, no multiplayer required. Shares Action and Adventure with Mycosis.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 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.