Single-player games like Blue Sun
Below are 8 single-player Steam games similar to Blue Sun, 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 Blue Sun page.
Ranked picks
- 1
Eldritch Break
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
Vibrant, high-octane 2.5D Boomer Shooter that smashes together the fast-paced action of classics like Doom and Duke Nukem with the mind-bending, non-Euclidean environments of an eldritch prison.
- 2
After Silence
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
A third-person survival horror blending visceral tactical combat with a deeply personal narrative. Infiltrate Black Protocol's ruins, uncover the truth about Compound Z, and fight through a dying city. A mother's love becomes the most dangerous weapon in a world that forgot mercy.
- 3
NovaLight Z
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Adventure with Blue Sun.
Novalight Z is a zombie shooter. Shoot and cut your way through an infected colony ship. Survive and explore to find the artifact and uncover the mystery behind the outbreak.
- 4
ADACA
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
A Sci-fi FPS set on the mysterious planet ADACA. - Use your GRAVITY-MANIPULATING arm to HURL objects at your foes or even RIP weapons directly from their hands! - EXPLORE and manipulate the environment in this EERIE and HOSTILE world!
- 5
Owinka Shooter 2
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
Owinka Shooter 2 throws you right back into the story of Owinka 427. Prepare to escape the Institute once and for all!
- 6
SCP: Valravn
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
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
PolyClassic: Wild
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
This game is an action game that combines elements of the classic retro shooter and low poly styling. The player's task is to destroy all enemies that come across on the way.
- 8
The End of Dyeus
Single-player alternative to Blue Sun — playable solo, no multiplayer required. Shares Action and Indie with Blue Sun.
Go in a quest for Dyeus in a primitive and cryptic open world ! Face mysterious assailants in intense and fast paced sword fights, and survive against a carnivorous fauna. Will you uncover the truth about Dyeus?