Free games like Sinless + OST
Below are 10 free-to-play Steam games similar to Sinless + OST, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sinless + OST page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie with Sinless + OST.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Star Fetchers
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 3
Dagon: by H. P. Lovecraft
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 4
Tails Noir: Prologue
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
Tails Noir: Prologue is the first act of a post-noir narrative adventure. Become raccoon private eye Howard Lotor and explore dystopian Vancouver inhabited by animals as you uncover a deeply personal story of change and transformation.
- 5
Scarlet Hollow — Episode 1
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
The free-to-play first episode of a horror-mystery game with dark humor and hand-drawn art by Black Tabby Games. Note — we are retiring this store page. While the build here is still up-to-date, please download the DEMO from the main Scarlet Hollow store page. Thank you and have fun!
- 6
Tiny Bunny: Prologue
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
Tiny Bunny: Prologue is a non-linear horror visual novel. Those, who have heard the voice of the forest, are beyond help.
- 7
Realm Grinder
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares RPG with Sinless + OST.
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
- 8
Soda Dungeon
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares RPG with Sinless + OST.
Pop the top on some legendary action with Soda Dungeon, the fresh and fizzy hit mobile RPG adventure, now available on your desktop! Manage your team as you raid the local dungeons, upgrade your tavern, and attract new party members. Gold, legendary items, and more await you.
- 9
To the Edge of the Sky
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
This stunning post-cyberpunk indie visual novel is waiting for you to dive in. Explore the secrets of Olympia, the most technologically advanced country on Earth, as one of its top secret operatives. Can you complete your mission without regrets?
- 10
RATKING CHAPTER ZERO
Free-to-play alternative to Sinless + OST — no purchase or trial window. Shares Indie and Adventure with Sinless + OST.
Become The Salary Man. Unleash ZA BLADE. Save Your Boss. Experience a life OFF ZA CLOCK. a Uniquely Surreal Action Combat, Player Choice Fueled, Point & Click Adventure.