Crimson Prison
Game Information
Developer
DajimessVersion
v0.1.5.9
Engine
Ren'Py
Release Date
Nov 14, 2025
Last Update
Mar 23, 2026
Censorship
Uncensored
Overview
Crimson Prison is a 3D adventure for players who like dark fantasy settings with combat and romance woven together. The tone mixes grit with warmth, and a touch of humor.
Story
A homeless girl is kidnapped and thrown into Nuevo Faredo's Prison, an underground pit where inmates fight to the death. As her retired mentor, you take on the task of training her to control her new powers, keeping her alive through her first fights while looking for any way out of the prison for good.
Gameplay
You split your time between combat encounters and quieter moments spent building trust with the people trapped alongside you. Training your student's abilities feeds directly into how she performs in the ring, so preparation between fights matters as much as the fights themselves. Outside of combat, the game opens into a sandbox where you manage relationships and pursue side objectives tied to the prison's inmates.
Features
- Voiced characters and animated 3D scenes throughout
- A harem-style cast with distinct personalities to grow close to
- Combat tied directly to character training and progression
- A mix of tone that leans into humor alongside its darker prison setting
Installation
1. Extract and run.
Changelog
v0.1.5.7
- + 11,000 Words
- + 930 CGI
- + 2 Main Quests with multiple sub-quests
- + New music tracks and sound effects
- New Launcher to download the game on ANDROID!
- Spelling errors and potential bugs fixed
- Fully translated into Spanish
- Fixed an issue where Chisato's CPPB would occasionally not allow the purchase of an access pass
- Fixed an issue where, after purchasing with Merumi's CPPB, Merumi's animations would play incorrectly
- Fixed an issue showing incorrect Casino prices in the Spanish translation
- Numerous bugs fixed in the Replay Gallery
- Previous events added to the Replay Gallery
- Code restructuring and rewriting to optimize the game for newer compiler versions
- Code and variable optimization
- Direct and noticeable improvements to performance and loading screens
- Fixed Patreon Code not working. (Hotfix)
- HOTFIX v0.1.5.7:
- Initial chance to access the lab increased from 30% to 50%
- Adjusted the success rates of obtaining an approved lab pass in the “Damn These Odds” skill to match the new base lab access percentage
- Fixed an issue where Chisato's CPPB displayed incorrect approval percentages
- Added a new cheat to master all jobs
- In-game Patreon and Subscribestar members will now be updated via a server
- Global variables updated
GENERAL GRINDING ADJUSTMENTS:
- Affection and Lust points gained from hanging out with the girls and during complicity events have been increased: from 8 to 11, and from 11 to 17
- Crimson Credits earned after completing a work shift have been slightly increased (remember, it is still a prison, you don't get paid well)
- Some quests that required excessive grinding have been adjusted and are now less tedious
- Mastery Points (MP) gained after completing work shifts have been increased: from 70 to 145, and from 145 to 230
- Injury rates during training have been reduced from the second attempt onward (the first attempt will always be 0%): 15% → 5%, 20% → 15%, 35% → 25%, 60% → 50%, and 85% → 75%
