1 / 5
Ongoing v0.05 public

Duchess of the Underdeeps

4.1
(13 votes)

Game Information

Version

v0.05 public

Engine

Ren'Py

Release Date

Sep 1, 2026

Last Update

Sep 1, 2026

Censorship

Uncensored

Overview

Duchess of the Underdeeps is a 2D animated adult adventure for players who enjoy monster girl encounters with a fantasy edge. It leans playful and a little eerie, without taking itself too seriously.

Story

Jenny is part of a university caving expedition led by a professor when a collapse separates her from the group. She finds herself alone in an unexplored section of the cave system — or so she thinks, until it becomes clear she has company down there.

Gameplay

Play moves through point-and-click exploration of the cave's chambers and passages, with a sandbox structure that lets Jenny investigate her surroundings at her own pace. Navigation is supported by on-screen highlights to help track interactive spots, and encounters with the cave's inhabitants unfold through illustrated scenes as she pushes deeper underground.

Features

  • Hand-animated scenes rendered in a 2D art style
  • A single female protagonist explored from a first-person discovery angle
  • Tentacle and monster-themed encounters woven into the exploration
  • Adjustable interface options, including permanent navigation highlights

Installation

1. Extract and run.

Changelog

v0.05

  • Added an overlay system for Jenny. Right now the overlays only include clothes — a tank top and shorts. In the future, I plan to use this more for cosmetic effects and things like that. There is a black clothing set and a white one in the inventory: the black one works, but don’t touch the white one yet
  • Yes, inventory. Now you can actually see something in it. It doesn’t have much practical use yet, but you can use it to dress Jenny, check what items she has, and read their descriptions.
  • Added a status button. Its functionality is not implemented yet. Later, it will give access to additional information about the character, her clothes, and so on.
  • Added a map that allows you to teleport to locations on the map without having to walk there manually.
  • Added two more tomb scenes. If Jenny is wearing clothes, the scenes will work differently — basically, all the most interesting parts will be skipped. I did this for immersion. I’m pretty sure nobody will go there dressed anyway.
  • I left the first tomb scene unchanged, even though I originally wanted to change it. For now, it stays as it was. There is no clothed version for it yet.
  • Also fixed a bunch of bugs and added some new ones

v0.04

  • Fixed repeating and stuck messages like "This door is already open" that were showing multiple times
  • Added an option to permanently enable navigation highlights (can be toggled in Preferences)

Added two new scenes:

  • The random event mentioned earlier was NOT added. That system relies on the same foundation as the buggy message system. Basically — I’ll implement it next time. Fixing the messages had to come first.

Duchess of the Underdeeps

v0.05 public Windows, Android +2

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