Undertow
About Undertow
Undertow is an adult Ren'Py adventure by Lantern Novels, presented with 2D AI CG art. You play a female protagonist caught in a strange cycle: each night ends underwater, each morning begins on salt-stained stones beside a silent man. It has been a year, yet the routine never repeats exactly. Returning to the water changes what happens, and walking new paths reveals more of the mystery. Its themes include horror, adventure, and multiple endings.
The current build is v1.0, the first release dated October 19, 2026, rather than a demo. It runs on Windows, Linux, and Mac, and offers English, Spanish, German, French, Italian, Portuguese (Brazil), Russian, Chinese (Simplified), Japanese, and Turkish. It is uncensored. This release adds eight endings, six memory scenes, and thirty-one scenes.
Developer's description
You drown every night. Somebody pulls you out every night. Every morning you wake on the same stones with salt in your hair, and a man who won't say why the light is off. It has been a year. Nothing here repeats exactly. Go back into the water and it comes out different. Take a path you haven't walked and the mystery opens a little further.
Undertow screenshots
Download Undertow v1.0
Changelog
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