Single-player games like IIN
Below are 12 single-player Steam games similar to IIN, 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 IIN page.
Ranked picks
- 1
Strings Theory
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
Go on an adventure on a subatomic level! Test your wits in a freaky, tricky logic game with an abstract concept and colorful heroes. Perfect in single player and up to 3-player local co-op.
- 2
Paper 2 - Origami Refolded
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
Fold your way through over 100 levels and become an origami master in this casual puzzle game suitable for all ages.
- 3
Lion Quest Infinity
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie with IIN.
Jethro the Lion and friends steal a magic grandfather clock and embark on an unforgettable adventure. Are they here to save the universe, or is it simply a marketing ploy constructed as part of an elaborate book tour?
- 4
Trine 4: The Nightmare Prince
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie with IIN.
The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows.
- 5
Time in Time
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
Time in Time is a side scroller puzzle-platformer game where you control everything with timers..
- 6
Shift Happens
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie with IIN.
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
- 7
Golf Club Nostalgia
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
Human life is wiped out. Earth is now a golf course for the ultra-rich. In this dystopian sports puzzler, play through destroyed brutalist monuments, crumbling shopping malls, and abandoned museums as you piece together the full story of how humanity fell.
- 8
Onde
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
Catch a wave in this smooth sound-surfing platformer: Let ethereal tunes carry you fluidly through serene abstract landscapes, tune into soothing sound spheres and revel in a meditative journey of life.
- 9
Gaucho and the Grassland
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
LIVE like a LATIN COWBOY as you EXPLORE, HELP others, and bring HARMONY between HUMANS and MYSTICAL BEINGS in a RELAXING COZY ADVENTURE.
- 10
Goroons
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
GOROONS is a teamwork-based adventure where you have to combine your unique skills and overcome tough-as-nails puzzle challenges.
- 11
Outland Rapture
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie with IIN.
A stealth coop story driven game that mix lost vikings mechanics with the mood of inside. Three strangers wake up in a mysterious place and working together without being noticed is the only way to survive all the dangers and return home.
- 12
IINTWO
Single-player alternative to IIN — playable solo, no multiplayer required. Shares Indie and Casual with IIN.
IIN TWO is a platform puzzle game where you play as a soul controlling cubes, tackling challenges to get them to the altar, which is your goal: saving the planet.