Single-player games like InOut
Below are 8 single-player Steam games similar to InOut, 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 InOut page.
Ranked picks
- 1
Nonolith
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Indie and Adventure with InOut.
The NONOLITH consumes you. Copy and paste the world around you to discover the secrets of this ancient, enigmatic structure. You are very powerful, you just don't know it yet.
- 2
MUTAGEN
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Action and Indie with InOut.
Explore a lush, interconnected alien ecosystem that reshapes itself each time you die. Absorb mutations from your fallen kin to reach new areas and adapt to your surroundings. Study the environment to find your own solutions, and unearth the planet's many secrets.
- 3
Polly's Puzzle Box
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Indie and Adventure with InOut.
As a small flea, explore a mysterious puzzle box filled with shapes and secrets. Gather strange items with hidden abilities, and unravel a trail of clues as you attempt to escape.
- 4
Babel
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Action and Indie with InOut.
Explore the enigmatic Tower of Babel in this epic action-platforming adventure with challenging combat. Unravel mysteries beyond time and face terrifying creatures in your quest to uncover the disappearance of all gods and demons.
- 5
Trapezoid
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Indie with InOut.
Every transformation costs you. Swap shapes to smash, roll, and cling through a handmade miniature world where household items are ancient relics and the lighthearted façade starts to crack.
- 6
Relic Light
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Indie and Adventure with InOut.
A pixel-art 2D puzzle platformer with Metroidvania exploration. Join starfarer girl Ling Ao'ao as she meets AI girl ALICE in the ruins of humanity at the universe's end. Befriend companions, gather abilities, solve intricate contraptions, and uncover the cosmos's truth.
- 7
Kwad
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Indie and Adventure with InOut.
Kwad is a snappy, grid-based puzzle game where you play as a square. Jump, snap, and merge with other Kwads to morph your way through clever spatial challenges.
- 8
Creep
Single-player alternative to InOut — playable solo, no multiplayer required. Shares Action and Indie with InOut.
Experimental dark platform game that takes place inside a struggled man's inner world represented as the worm world. You control the worm form of this man as he shows why this world exists and how it's like to live there. You also visit past memories/analogies and gain new abilities.