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Completed
vFinal
PISTON
Game Information
Developer
Fox MufflerVersion
vFinal
Engine
Unity
Release Date
Dec 20, 2025
Last Update
Jan 10, 2026
Censorship
Censored
Overview
PISTON is a puzzle game for players who want a straightforward mix of brain-teasers and adult content. It keeps things simple and direct, with no pretense beyond the challenge itself.
Gameplay
Each level is a puzzle that, once solved, strips away a piece of clothing on the featured girl. Players work through successive puzzles to fully undress and eventually get to a sex scene, with monster girl and furry characters among the cast. Progress is tied entirely to puzzle-solving rather than dialogue or exploration.
Features
- Animated 2D art with a puzzle-first structure tying progression directly to the reward scenes
- Language menu accessible through the settings cog, with English available as a text option
Installation
1. Extract and run. 2. Click the settings cog and under "text" select English.