Single-player games like project_Structure_01
Below are 8 single-player Steam games similar to project_Structure_01, 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 project_Structure_01 page.
Ranked picks
- 1
Minerooms
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
A minimalist game about digging through a deep, surreal tunnel. Upgrade your gear to go further, and uncover the dark secret of why no one returns from the depths. But move carefully—some cubes should remain buried.
- 2
Labyrinth A Way Out
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
Lost in a massive surreal labyrinth, you must explore, solve puzzles, and collect three keys to unlock the gate at its center. Wander freely through a minimalist world where every path may lead you deeper into the labyrinth or closer to escape.
- 3
Daardoa
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie with project_Structure_01.
Atmospheric and surreal horror game about day and night cycle.
- 4
Enjoy Your Stay
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
Navigate the never-ending hallway of the Hudson: A hotel that doesn’t want its guests to leave. Observe your surroundings, spot irregularities, and choose the correct path to escape.
- 5
SKEW
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
A first-person atmospheric exploration game set in dreamlike liminal spaces, with no monsters, combat, or jump scares.
- 6
Kairo
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
Enter the lost world of Kairo. Explore vast abandoned monuments. Bring strange and ancient machinery back to life. Slowly uncover the true purpose of Kairo and fulfil a great destiny.Kairo is an atmospheric 3D exploration and puzzle solving game.
- 7
NIDANA
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Adventure with project_Structure_01.
She continues to dream. A first-person dream simulator where you explore a corner of a dream.
- 8
MirrorMoon EP
Single-player alternative to project_Structure_01 — playable solo, no multiplayer required. Shares Indie and Adventure with project_Structure_01.
MirrorMoon EP is a game about mystery and exploration set in outer space. These space travels begin on a red planet and its unique moon and extend across galaxies. The single player part of MirrorMoon EP blends adventure and exploration with navigation-based puzzle solving.