Single-player games like Nine Sols
Below are 16 single-player Steam games similar to Nine Sols, 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 Nine Sols page.
Ranked picks
- 1

Omen Fall
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Omen Fall is an action-packed, story-driven fantasy adventure game that draws players into a past woven with forgotten agreements. Fight against the darkness in this 2D metroidvania experience presented with pixel art graphics.
- 2

MIO: Memories in Orbit
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Play as android MIO in this mesmerizing metroidvania where you explore the Vessel, an enormous technological ark overgrown with machines gone rogue. Uncover its secrets, enhance MIO's abilities, and save the spaceship and its residents from oblivion.
- 3

Nonu
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Nonu is a hand-drawn 2D souls-like where every action draws from two interlinked resources-one born from inner strength, the other granted by a higher power. Explore a dying world, uncover artifacts that enable distinct builds, and piece together the truth behind its vanished god.
- 4

Crypt Custodian
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Adventure with Nine Sols.
Crypt Custodian is a charming metroidvania about cleaning up the afterlife. Play as Pluto - a mischievous cat who has died, and is sentenced to be the afterworld's janitor... FOREVER! Hang out with other doomed ghosts, battle beasts, and explore a vastly expansive landscape.
- 5

Blasphemous
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Blasphemous is a brutal action-platformer with skilled hack’n slash combat set in the nightmare world of Cvstodia. Explore, upgrade your abilities, and perform savage executions on the hordes of enemies that stand between you and your quest to break eternal damnation.
- 6

Aestik
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Make impactful decisions in moral dilemma situations, which will change the course of your journey through this atmospheric, hand-drawn metroidvania. Explore the hazardous paths of the Realm of Aestik and fight its corrupted inhabitants as you unravel its deep-rooted mysteries.
- 7

Hollow Knight: Silksong
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Discover a vast, haunted kingdom in Hollow Knight: Silksong! Explore, fight and survive as you ascend to the peak of a land ruled by silk and song.
- 8

Hollow Knight
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.
- 9

Sekiro™: Shadows Die Twice - GOTY Edition
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Adventure with Nine Sols.
Game of the Year - The Game Awards 2019 Best Action Game of 2019 - IGN Carve your own clever path to vengeance in the award winning adventure from developer FromSoftware, creators of Bloodborne and the Dark Souls series. Take Revenge. Restore Your Honor. Kill Ingeniously.
- 10

Katana ZERO
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Katana ZERO is a stylish neo-noir, action-platformer featuring breakneck action and instant-death combat. Slash, dash, and manipulate time to unravel your past in a beautifully brutal acrobatic display.
- 11

Metroidvania Maker
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Indie with Nine Sols.
Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.
- 12

OMORI
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Indie and Adventure with Nine Sols.
Explore a strange world full of colorful friends and foes. When the time comes, the path you’ve chosen will determine your fate... and perhaps the fate of others as well.
- 13

Ori and the Blind Forest: Definitive Edition
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action with Nine Sols.
“Ori and the Blind Forest” tells the tale of a young orphan destined for heroics, through a visually stunning Action-Platformer crafted by Moon Studios.
- 14

OneShot
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Indie and Adventure with Nine Sols.
OneShot is a surreal top down Puzzle/Adventure game with unique gameplay capabilities. You are to guide a child through a mysterious world on a mission to restore its long-dead sun. The world knows you exist.
- 15

Red Dead Redemption 2
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Action and Adventure with Nine Sols.
Arthur Morgan and the Van der Linde Gang are outlaws on the run. With federal agents and bounty hunters massing on their heels, the gang must rob, steal, and fight their way across the rugged heartland in order to survive.
- 16

Detention
Single-player alternative to Nine Sols — playable solo, no multiplayer required. Shares Indie and Adventure with Nine Sols.
Detention is an atmospheric horror game set in 1960s Taiwan under martial law. Incorporated religious elements based in Taiwanese/Chinese culture and mythology, the game provided players with unique graphics and gaming experience.