Single-player games like Interior Worlds
Below are 13 single-player Steam games similar to Interior Worlds, 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 Interior Worlds page.
Ranked picks
- 1
Hypnagogia 無限の夢 Boundless Dreams
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Meet colorful characters, discover mysterious secrets, and reassemble the fractured remains of an ethereal crystal as you explore a series of abstract worlds based on dreams, nightmares, and the places in between.
- 2
Dreamcore
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Experience liminal spaces like never before. Dreamcore is the ultimate psychological exploration game, set in the largest liminal world ever made. No guides, no path—only intuition. Will you keep your bearings in a world designed to make you lose them?
- 3
POOLS
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Adventure with Interior Worlds.
Walking simulator. Explore, admire and listen. Uncanny. Relaxing. Unnerving. Eerie. Immersive. No monsters chasing you or jumping at your screen, but can feel oppressive at times by invoking fears of getting lost, the dark, tight spaces and liminal space architecture. Inspired by backrooms.
- 4
LIMINAL SHIFT
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Liminal Shift is a unique atmospheric suspense game developed using the latest Unreal Engine 5 technologies such as Lumen and Nanite. With every step you take, Liminal Shift pushes you deeper into an eerie, unsettling experience like no other.
- 5
Liminalcore
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Explore and admire while navigate through eerie, surreal environments inspired by the Backrooms lore. Explore this uncanny world lost in time and get lost in the otherworldly architecture in a world where reality bends and your sanity is tested.
- 6
LiDAR Exploration Program
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
LiDAR Exploration Program is a relaxing atmospheric game with light horror elements, where you explore in complete darkness using a scanner to reveal the world around you.
- 7
DREAM LOGIC
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
DREAM LOGIC is a story driven first-person atmospheric horror game which takes place in liminal spaces. Explore various nostalgic, dreamlike, uncanny environments. But don't feel too safe, there's a sneaky creature watching your every move.
- 8
No Players Online
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
you find an abandoned fps game on an old computer. you decide to play it.
- 9
SECLUSION
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Seclusion is an atmospheric adventure of risk vs reward. Try to find supplies and a solution to saving humanity by day, but don’t be surprised if you don’t survive the night.
- 10
The Backrooms
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
You find yourself in a strange world with no idea how you got there. As you explore more, the world gets increasingly convoluted and unstable. You are now in... The Backrooms.
- 11
Anemoiapolis: Chapter 1
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
The most relaxing horror game you'll ever play. Anemoiapolis exists in the uncanny valley of American architecture -- endless carpeted floors and lonely malls. Escape for your life, and enjoy the scenery.
- 12
The Complex: Expedition
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Adventure with Interior Worlds.
When a routine expedition into The Complex goes horribly wrong, you're left alone and lost, wandering the seemingly infinite maze of hallways, otherwise known as the Backrooms. Might there be something following you?
- 13
Late Homework | 遅れた宿題
Single-player alternative to Interior Worlds — playable solo, no multiplayer required. Shares Indie and Adventure with Interior Worlds.
Highschool student Haneko has forgotten her class assignments and must retrieve them by traversing a world of haunted horrors. Explore the dilapidated halls, find your missing homework, and avoid whatever's lurking around the corner in this bite-sized, retro survival horror experience.