Single-player games like Sunray OS
Below are 8 single-player Steam games similar to Sunray OS, 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 Sunray OS page.
Ranked picks
- 1
Grotesque Beauty - A Horror Visual Novel
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
What will you do when your slumber party takes a nightmarish twist? Decide your fate in this horror narrative game inspired by the works of Junji Ito.
- 2
Mucorales
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
An enthralling RPG Maker horror game that explores a dark and twisted rendition of the classic fairy tale, Red Riding Hood.
- 3
Dagon: by H. P. Lovecraft
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 4
Amnesia: A Machine for Pigs
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
- 5
Saint Maker - Horror Visual Novel
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
A haunted convent. Statues that move on their own. A buried past. Welcome to Saint Idelora’s convent, where becoming a saint comes with a price.
- 6
Route8
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Simulation with Sunray OS.
"You're lost on Route 8. You must find a way to escape. This eerie road is terrifying.""Night falls, the phone rings. Who are you? You find yourself driving along Route 8, repeating endlessly."
- 7
Bobok
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
Grotesque notes written not by Fyodor Dostoevsky, but by a "certain person".
- 8
The Test: Secrets of the Soul
Single-player alternative to Sunray OS — playable solo, no multiplayer required. Shares Indie and Adventure with Sunray OS.
You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."