Crimson Prison [v0.1.6.6]

v0.1.6.6 (2026 – 08 – 15)

New Content:

• + 9,000 Words
• + 600 CGI
• + 1 Main Quest with multiple sub-quests
• + 1 Side Quest with multiple sub-quests
• + 3 Kathryn Events
• New music tracks and sound effects
• Added the new Patreon-exclusive skin for Miwa: “Sumairu College”
• Added the new quest reward skin for Kathryn: “School Uniform”
• Reworked Kasumi’s flashback
• Added the option to replay “Reworked” events when loading an existing save
• Added a new storage system (Quest Reward) and its tutorial
• Added an autosave before Zinnia’s battle
• Added Affection and Lust bars to the gift-giving screen
• Added character icons when switching playable characters (Kathryn, Kasumi, and Zinnia)

Changes and Improvements:

• Added a new function that restricts quest-related items to one purchase at a time (such as Clarissa’s Milk or the Funeral Attire)
• Equippable items (such as accesories and clothes) can no longer stack in the inventory
• Base stats for equippable items are now linked to their original item, laying the groundwork for the future equipment upgrade system
• Performed preventive and ongoing maintenance on the subscriber code validation server to improve bot protection
• Completely redesigned the internal logic of the Gift, Shop, Inventory, Item Declaration, Item Usage, and Equipment systems
• Unified and optimized inventory code for Sora, Zinnia, and Kasumi
• Made minor adjustments to the gym system
• The time-of-day display is now hidden while the Quest Journal is open
• Reorganized Charly’s interaction menu to reduce visual clutter
• Removed the inventory quantity indicator when only one copy of an item is owned
• Removed HUD icons from the day transition screen

Bug Fixes:

• Fixed disproportionate mouths introduced by the latest 3D model update
• Fixed an issue where Clarissa would disappear after speaking with her at the Church while playing as Kasumi
• Fixed an issue where item descriptions and balances would only affect items in the shop, but not in the inventory
• Fixed an issue where the Paper Kunai were not removed from the inventory after completing the quest “A FADING SHADOW”
• Fixed an issue where the area’s background music would occasionally fail to resume after completing a quest

v0.1.5.9 [Hotfix, All platforms]

• Improved new players experience
• Added in-game and menu tutorials
• Added a total of 14 tutorials
• Some early-game events have been slightly adjusted to better align with the new tutorials
• Rebalanced XP system gain
• Improved some quest descriptions
• Increased bonus affection and lust points from the skill tree abilities “Tentative Interaction” and “Intensive Affection” from 2/3/4/5/6 → 2/5/7/11/15
• Increased maximum affection level from 8 → 9
• The “Inmate Cronies” skill is now free at the start of a new game; players who previously purchased it will receive a Crimson Credits refund
• Improved kunai pickup hitbox in the quest “A Fading Shadow”
• Fixed an issue in the quest “A Fading Shadow” where some kunai would not appear correctly
• Fixed an issue where a quest requiring purchasing an item would sometimes not be marked as completed
• Fixed an issue where the quest “Caprice” showed a different version of the protagonist
• Fixed a crash that could occur when interacting with Silvie under certain conditions
• Removed a floating arrow in the hot spring dresser room (reserved for future updates)
• Updated internal player character logic to prevent potential save corruption in the future
• Restructured code across numerous game functions
• Numerous Spanish translations have been corrected or added

v0.1.5.8 [Hotfix, Only on Android]

• Android Downloader server updated.

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%

v0.1.5.0

• + 10,000 words
• + 450 CGI
• + Fukazawa Yuuka added to the Inmate Roster
• + 5 Yuuka Skins (2 Patreon-exclusive)
• + 6 Yuuka hang out cycle events
• + 1 Main quest
• + 3 Girl quests (Yuuka)
• + 4 Totally new song tracks
• Typo corrections and potential bugs fixed
• Fully spanish translation
• Fixed a bug where the skill “Intensive Affection” was also granting extra affection points when giving gifts to the girls
• By request from those who hate all the rushing in the game, the base affection points earned from hanging out with the girls have been increased from 8 to 11

v0.1.4.0 Update (2025 – 09 – 29)

• + 12,000 words
• + 500 CGI
• 2 New Maps
• 2 Main quest (with lots of CGI events and a Puzzle)
• 2 Side quest
• 4 Totally new song tracks
• Typo corrections and potential bugs fixed
• Fully Spanish translation
• An exclusive, commemorative item for subscribers

v0.1.3.5 Release (2025 – 07 – 30)