Project Nepenthes

by HaruYou27

Uncensored Windows Linux
Versionv0.3.1
EngineGodot
Released2026-09-18
Updated2026-09-18
LanguageEnglish

About Project Nepenthes

Project Nepenthes is a short 3D tentacle simulator by HaruYou27, built in Godot. It uses animated, shiny graphics and lets you play a female protagonist. You gather Mana to unlock new tentacles and customization options, and use character creation. Its themes include tentacles, corruption, and character creation.

The current release is v0.3.1, dated September 18, 2026, and the game is still in development. It runs on Windows and Linux, is available in English, and is uncensored. The latest update fixes a bead position offset and makes unlocks apply without reloading a save. Earlier changes added quick saving, save slots, custom hotkeys, new tentacle materials, body sensitivity and fertility upgrades, plus fixes for saves, graphics, UI sounds, animation clipping, and tentacle tracking.

Developer's description

A short 3D Tentacle simulator with shiny graphics. Extract Mana, unlock new tentacles and customization: Lactation, Impregnation, Anal, Breast size. ​

Download Project Nepenthes v0.3.1

Changelog

v0.3.1 Fix bead position offset You don't have to reload save to unlock stuff anymore v0.3.0 Fixes: reduce skin specular change default camera hotkey reduce breast stiffness reduce drag and stiffness for accessory jiggle progress bar now go to 100% instead of 50% fix graphic preset change UI SFX various animations clipping Cache the resource so load a save doesn't need to read from disk again tentacle now follow character position fix infinite save loop fix some stats wasn't saved New: add custom hotkey bind add new resource: milk add milking animation add quick save and save slot new material/texture for tentacle add body sensitivity upgrade add fertility upgrade more bugs to be fixed later Gameplay changes: pleasure now increase on hit also mean animation speed affect pleasure gain delivery is now manually triggered triple base pleasure gain reduce all tentacle cost to 1 V0.2.2 Animation speed now available at start. Fix infinite birthing loop. Fix infinite save loop. V0.2.1 Fix pleasure get stuck on 100% causing infinite orgasm. v0.2.0 Animation Update Add 3 new poses. Add 28 new animations. Replace Seeder model and animations. Fix statistics UI. Fix clipping in some standing animations. Update engine to Godot 4.7 Fix sudden snap when change back to idle. Add more bugs to be fix later. v0.1.0 Gameplay Update Add a new pose and 6 new animations. Implement Impregnation and Mana extraction (It actually has gameplay now). Implement Breast size change. Fix Save and Load (I will try not to break old save) Fix Animation bulge out of sync. Fix some UI bugs v0.0.1 Initial release, currently only feature a few basic animation but character models are complete.

Player reviews

Player rating 2.0 / 5 · 3 ratings
Written reviews 3 · avg 2.7★
Positive (4–5★) 33%
Latest review 2026-09-18

What players say

Mixed low ratings; adult idle ideas appeal, but bugs and thin content feel unfinished.

5★ 0
4★ 1
3★ 0
2★ 2
1★ 0

Players like

  • Interesting corruption-themed idle gameplay ideas
  • Clear intent for future updates

Common complaints

  • Tentacle visuals clip through character textures
  • Sparse idle progression feels slow and thin
  • Buggy mana system blocks progress

Best for players who like slow corruption-themed idle experiments

Summarised from 3 written player reviews.

compact_pie74 2026-09-18 ★★★★★
Nah, everything except girl model in this game are sucks. Tentacles are going through textures of the girl, no sounds of her moans, not enough face expressions, when tentacle envelop her it doesn't look like this because it's just sticking…
mockingbird15 2026-07-22 ★★★★★
idle game. it s ok but it s hardly a game. this is mostly an idle game... it's not bad, it's kinda boring and slow. there is very little here. As a corruption fan ; i am left w&iting.. feels…
WolfWolf90 2026-07-20 ★★★★★
I really like what the game wants to offer in terms of gameplay and features, i will be looking forward to see what's on the next update. Mana system seems to be bugged and i tried restarting and deleting the…

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