
Screenshots

Watch trailer on Steam ↗Udonge in Interspecies Cave
UminoKyuri · Published by NupuryuSoft
Content notice: This game contains adult themes, explicit adult representations, and characters depicted in sexual situations. All characters shown are over the age of 20. This includes nudity of characters, sexual acts, and non-consensual sex. It also includes sexual expressions involving non-human characters.
Very Positive — 87% positive (768 reviews) · 7 achievements
Last updated 27 Sept 2026
Dreadful monsters were stirring in the cave where Udonge had fallen into. Low-class monsters starving for females creep up, one after another. Can she escape the violence of sexual desire, or will she be trapped and have everything destroyed by sheer pleasure and humiliation?
£7.49
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Action · 2023 · More £5 - £15 games
Navigate through a perilous cave filled with hungry monsters in Udonge in Interspecies Cave. Developed by UminoKyuri, this intense action game challenges you to survive the relentless pursuit of low-class creatures driven by primal desires.
About this game
Low-class monsters starving for females creep up, one after another.
Can she escape the violence of sexual desire, or will she be trapped and have everything destroyed by sheer pleasure and humiliation?
This is a derivative work, a fan work of Touhou Project.
Action Game
Control Udonge to break through the caves.
"Udonge in Interspecies Cave" is a simple action game. Move, jump, shoot! Use these actions to break through the dungeon teeming with monsters.
Defeat the three stages and their bosses.

If your health reaches zero...
You'd better recover quickly, or something unbelievable will happen...
When your health reaches 0, Udonge becomes immobile. By pressing the move keys left or right, you can charge a gauge to get back up... but if you're caught by a monster during this time...
Something unbelievable...

Unthinkable consequences! Various monsters each have their own dot motions on the map. You can still escape in this state, but if a certain event happens, it's game over...
Numerous game-over screens.
When you transition to the game-over screen, you can view large-size motions.With each stage cleared, a gallery is unlocked, allowing you to view scenes at any time.


Will Udonge be able to safely escape this cave swarming with monsters...?
System Requirements
Will my PC run this? →Minimum
- OS: Windows8 or Newer
- Processor: Intel Core i5 or higher
- Memory: 8 GB RAM
- Storage: 2 GB available space
Recommended
- OS: Windows8 or Newer
- Processor: Intel Core i5 or higher
- Memory: 8 GB RAM
- Storage: 2 GB available space
Supported Languages
Latest news
Patch NotesOfficial
v1.03:Minor Bug Fixes
・Fixed an issue in the gallery where some pixel art had noiseRead full article on Community Announcements (ぬぷ竜)Patch NotesOfficial
v1.02:Gallery: Mouse Support & Dot Enlargement Supported
Made the gallery more user-friendly ・You can now enlarge pixel art by 2x in the gallery. ・Enabled mouse usage in the gallery.Read full article on Community Announcements (ぬぷ竜)Patch NotesOfficial
Traditional Chinese Update!
Added support for Traditional Chinese! Fixed an issue where the boss on the second screen could be skipped with a double jump!Read full article on Community Announcements (ぬぷ竜)






