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82% positive of 198 · Very Positive · Live from Steam
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Unclean Water is an FPS roguelike action game where you must escape the sewers of Marlene. Defeat Night Moss assassins using precise strikes, defense, smashes, and shield bashes to exploit enemy openings. Unlock a variety of furniture and items to turn your endless challenges into ultimate success.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 82% on 2026-11-02 → 82% today (198 reviews)
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1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
1.3.8- Added Challenge Mode \ (Night Nireph appears)- Added \ customization option (Unlocked by clearing the Playing House Challenge Mode)- Added a Game Over cutscene for Night Nireph- Fixed an issue where Nireph's Gloss setting was not saved during customizat…
○ New Features- Added a new weapon type: \ : Attack Speed -20% / Attacking a blocking enemy creates a shockwave around them.※ Available as a Challenge Mode reward.- Added a sliding action for Viella. (Press Space while crouching.)- Added an option to remove sn…
○ New Content & Features- Challenge Mode \ Added (A Furious Nireph appears, firing projectiles in rapid succession.)- Added game over cutscene (Furious Nireph)- Furious Nireph Summon added to Test Room- Furious Nireph Hair added to Nireph Customization- Featur…
1.3.0- Updated the voice line in the Nireph defeat cutscene (Viella).- Fixed an issue where Viella's and Asra's hair received excessive lighting.- Removed the torch pillars from the Test Room to prevent enemies from getting stuck.- Fixed an issue where the vie…
Version 1.2.9- Added the new Challenge Mode \ - Nireph now supports nearby Nightmoss by healing them or granting a buff (+50% Attack Speed)- Clearing \ unlocks a new Nireph summon in the Test Room with these support behavior patterns.- Renamed cutscene titles …
1.2.7- Added the Challenge Mode \(Introduces a new Nireph that performs rotating beam attacks.)- Added the ability to spawn Spinny-Spin Nireph in the Test Room. (Unlocked after clearing the "Spinny-Spin" Challenge Mode.)- Added Spinny-Spin Nireph Hair to Custo…
https://vimeo.com/1232695952Summer may be over, but Viella still wanted to go to the beach! ːUWCryːJump into Unclean Water now and teach that clueless Nireph a lesson! ːUWKnifeː
Works, but may need extra effort. Results from Valve's own testing.