Single-player games like SunSet Diffusion
Below are 8 single-player Steam games similar to SunSet Diffusion, 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 SunSet Diffusion page.
Ranked picks
- 1
Kardiya: The Winds of Fate
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares RPG with SunSet Diffusion.
Rogue-lite RPG Dicebuilding game. Roll the dice, choose your companions, organize your gear, explore all of Kardia, and die. Then try again! Try again and again. Experience a different story each time. Until you find The Winds of Fate.
- 2
Colony Ship: A Post-Earth Role Playing Game
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares RPG with SunSet Diffusion.
Colony Ship is a turn-based, party-based role-playing game set aboard a generation ship launched to Proxima Centauri. The game features a detailed skill-based character system, multiple ways to handle quests, choices & consequences, and branching dialogue trees.
- 3
Space Wreck
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares RPG with SunSet Diffusion.
The biggest little RPG in the world. Post-apocalyptic retro space adventure with an extreme focus on role-playing and replayability. Inch wide, miles deep - intentionally short yet surprisingly deep.
- 4
The Rule of Adult
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares Indie and RPG with SunSet Diffusion.
You are just another new hire. Work. Perform. Improve. Repeat. Survive 12 weeks. But the truth is— this company doesn’t value you. It devours who you are.
- 5
Witch Stories
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares Indie and RPG with SunSet Diffusion.
In Witch Stories, the forest doth whisper thy name, and the witch’s gaze falleth heavy upon thee. The world shall not wait, though thou choosest to act or abide still. From sunrise to sunrise, face trials dark and truths most grievous.
- 6
Exitus
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares Indie and Adventure with SunSet Diffusion.
You have found the job you were looking for. Your only concern is your quota. or else? Protein was always the problem. The HFU solved it. Keep your head down, Do your job, you are here for a reason.
- 7
Tales of Anturia: Farathan
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares RPG with SunSet Diffusion.
Explore, fight and discover the great conspiracy lingering in the shadows. In this third-person RPG. Pick one of three sides and enjoy the open world.
- 8
Gamedec - Definitive Edition
Single-player alternative to SunSet Diffusion — playable solo, no multiplayer required. Shares Indie and Adventure with SunSet Diffusion.
Gamedec is a single-player cyberpunk isometric RPG. You are a game detective, who solves crimes inside virtual worlds. Use your wits to gather info from your witnesses and suspects, getting to the bottom of deceptive schemes. The game continually adapts to your decisions and never judges.