Single-player games like Radiant One
Below are 10 single-player Steam games similar to Radiant One, 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 Radiant One page.
Ranked picks
- 1
To the Moon
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
A story-driven experience about two doctors traversing backwards through a dying man's memories to artificially fulfill his last wish.
- 2
Homesick
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
Explore an abandoned building, encountering puzzles and clues to discover what happened, as you try to escape in both your nightmares and the waking world. Be immersed in the hauntingly beautiful 3D atmosphere in this puzzle exploration mystery game.
- 3
Lucid Dream Adventure
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
Lucid Dream is the story of little Lucy, who goes on an adventure into the world of dreams with the mission to save her mother.
- 4
One Night Stand
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
After a night of fun, passion, and one too many drinks, you wake up the next morning to find a complete stranger lying naked beside you in bed. What do you do?
- 5
Layers of Fear 2 (2019)
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
A first‑person psychological horror game set on a haunted ocean liner. As an actor summoned by an unorthodox director, you’ll confront twisted memories from your past and learn the price of achieving the perfect performance.
- 6
A Normal Lost Phone
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Casual with Radiant One.
A Normal Lost Phone is a game about exploring the intimacy of an unknown person whose phone was found by the player.
- 7
Caligo
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
Caligo is the darkness everyone descends into one way or another, and to each of us it's something different. For some it's a short but exciting adventure, some will see it as a place to relax. Yet others will be reminded of their worst nightmare, while for a few, it might come as a revelation.
- 8
The White Door
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie and Adventure with Radiant One.
Enter The White Door and discover Rusty Lake’s universe in a new game with a unique style! Explore Robert Hill’s dreams and help him to find his lost memories. Can you survive the strict daily routine and bring back color to Robert's life?
- 9
Trick or Treat on Nightmare Street
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie with Radiant One.
Pick a costume and slip out into one spooky Halloween night. Knock on lit doors for candy, relight the lantern trail, bring lost kids home, and stay out of sight of the monsters that rule Nightmare Street. A cozy-spooky pixel-art stealth adventure.
- 10
DEAD DOZEN
Single-player alternative to Radiant One — playable solo, no multiplayer required. Shares Indie with Radiant One.
DEAD DOZEN Escape is a first person horror survival experience. Form a team with up to 4 players and escape from the depths of the mysterious pyramid in the heart of Siberia, or do it all on your own.