Single-player games like I don't think the sun is real.
Below are 8 single-player Steam games similar to I don't think the sun is real., 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 I don't think the sun is real. page.
Ranked picks
- 1

BLOODVILLE
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
BLOODVILLE is a first-person shooter where you play as Cane, a retired hitman dragged back into killing - and slowly losing his mind.
- 2

Saint of Chains
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
Psychological single-player first-person horror. Explore dark environments, fight with melee and guns, and solve puzzles in this retro 2000s-inspired nightmare where the truth is more terrifying than the monsters.
- 3

Mongol 2
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
Call me Mongol! Some time ago, I ventured into Agrippa's perilous realm to claim the false god's life. Armed with an arsenal of weird weapons given onto me by Mithrithnogg, the prophet of worms, I uncovered a dark truth that shook the very foundation of reality!
- 4

OUTTA HELL
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
OUTTA HELL is an action-packed FPS set in haunting dimensions of the afterlife. You're Mono — trapped in a corporate purgatory after a life of crime. Dive in guns blazing, slow down the chaos with time-bending combat, or move tactically through the shadows — hell won’t wait, and neither should you.
- 5

Corbaci: A Cozy Cinematic Horror
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Indie with I don't think the sun is real..
Run a cozy little soup shop haunted by unsettling stories. In Corbaci: A Cozy Cinematic Horror, uncover hidden mysteries and unlock every secret recipe. Serve the right soup from the Super Soup 2000.
- 6

SCP: Valravn
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
You never lose a war, when war is what you sell. Infiltrate the Valravn Corp. Put down the horrors in the dark. Containment is not enough.
- 7

Duck Season
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Indie with I don't think the sun is real..
The game of your dreams just dropped, DUCK SEASON, a hunter with ridiculous graphics. Luckily, it's summer vacation and Mom just surprised you with a one day rental of it! Unfortunately, as you binge play it becomes apparent that all is not right with Duck Season...
- 8

ZERO PROTOCOL
Single-player alternative to I don't think the sun is real. — playable solo, no multiplayer required. Shares Action and Adventure with I don't think the sun is real..
In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.