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Ongoing
v0.5.1
The Sin Within
Game Information
Developer
(RIP)Version
v0.5.1
Engine
Ren'Py
Release Date
Apr 1, 2026
Last Update
Apr 9, 2026
Censorship
Uncensored
Overview
The Sin Within immerses you in a thrilling adventure as Nick Harada, uncovering the supernatural desires of women around him. Join him in his quest to liberate their hidden passions and transform the world!
The Story
Nick's life takes a dramatic turn when he discovers an ancient artifact that awakens his latent powers over lust. Guided by this mysterious force, he sets out on a journey to explore and satisfy the desires of every woman he knows, from classmates to teachers, leading him down a path filled with seduction, corruption, and unexpected twists.
Gameplay & Mechanics
The Sin Within is an animated dating sim adventure where you control Nick's actions and decisions. Engage in point-and-click exploration, interact with characters through dialogue choices, and participate in explicit mini-games to satisfy their desires. Manage Nick's energy levels and progress through the story by balancing his daily activities and encounters.
Key Features
- Animated 3DCG Art Style: Immerse yourself in stunning animated visuals that bring the game's world and characters to life.
- Branching Storylines & Multiple Endings: Your choices shape Nick's journey, leading to various outcomes and encouraging multiple playthroughs.
- Explicit Mini-Games: Engage in interactive sexual encounters with a variety of characters, featuring anal sex, vaginal sex, oral sex, masturbation, and more.
Installation
1. Extract and run.
Changelog
### 0.5.1 (2026-04-08):
- v0.5.1 (2026-04-08):
- Gardening Duty I !
- Gardening Duty
- + 2.270
- new renders
- (with
- +282 animations!!
- )
- + 4.000
- lines of dialogue!
- + 23
- NEW, INCREDIBLY SPICY SCENES!!
- + BRING MS. CLAIRE TO LUST LVL 2 - THE FIRST OF MANY!
- +
- Invite many other girls to your questionable photoshoot sessions at School...
- + 1 New Location: Ms. Claire's Apartment!
- + 1 New Location: The Park! (but there's nothing there yet... Soon TM)
- + Overhauled the Notes App
- : Now features an extensive Quest tab, guiding you through whatever storylines require a bit more attention step-by-step.
- +
- Overhauled the Gallery App
- : Each Gallery section now features a progress bar and a scene counter.
- +
- Overhauled the Help App
- : Now contains several topics neatly organized to help you out.
- I told you, it would get prettier one day!
- + Added Keybinds!
- Check the
- Help App
- for the full list.
- These will make your life much easier!
- +
- Fixed some eldritch bugs and embarrassing typos.
- Totalling...
- ~ 20.000 renders
- ~ 46.000 lines of dialogue
### 0.5.0 (2025-08-08):
- v0.5.0 (2025-08-08):
- Back to School!
- Brick-By-Brick
- + 3.375
- new renders
- (with
- +142 animations!!
- )
- + 8.000
- lines of dialogue!
- + 74
- NEW SCENES!! (plus countless other smaller interactions...)
- + 3
- new characters!
- (Katherine, Beth, Nico)
- + 1
- new
- SUPER-LOCATION
- :
- The School!
- The School is divided into 6 new locations, 30 rooms total!
- + 11
- brand-new events!
- + Implemented the
- Favor System
- Warm yourself up to hard-headed girls first!
- + Implemented the
- Instance System
- Allows for characters to be in different locations depending on your current Instance.
- + Added
- checkmarks to all interactions in-game
- , indicating the scene's
- completion status.
- + Added
- checkmarks
- to indicate if a scene
- skips time.
- + Added a button to
- skip the time
- in the
- Contacts App.
- + Added a short questline that unlocks
- Teleporting to characters
- from the
- Contacts App.
- +
- Fixed some eldritch bugs
- Totalling...
- ~ 18.500 renders
- ~ 42.000 lines of dialogue
### 0.4.5 (2025-01-09):
- v0.4.5 (2025-01-09):
- THE RESORT EPISODE
- The Family Circle: Part II
- + 4.425
- new renders (with
- +158 animations!!
- )
- + 9.000 lines
- of dialogue!
- + 44 new scenes!
- (5 EXTRA SCENES, 12 SURPRISE SCENES...!)
- + 5 new characters!
- (4 being subscriber requests!)
- (Lotte, Akari, Gwen, Cordelia Rivas, Sera!)
- + 1 new location (The Sunset Resort!)
- + 1 major event: Bring your family to the Resort!
- + Compressed video file-sizes by a lot! (this release is lighter than 0.4!)
- + Added a search bar to the Contacts App!
- + Added minor characters to a new section of the Contacts App!
- + Added a system to locate each character in-game from the Contacts App!
- + You can now see who's in a location from the Map!
- + You can now preview who's in a room when there are multiple characters around.
- + You can now see when an event is taking place somewhere from the Map.
- + Prepared some systems to be implemented in the next update - 0.5.0!
- Totalling...
- ~ 15.000 renders
- ~ 34.000 lines of dialogue
### 0.4 (2024-03-15):
- v0.4 (2024-03-15):
- TREASURES & MAPS
- + 3.300
- new renders (with
- +272 animations!!
- )
- + 500
- new sprites!
- + 7.800
- lines of dialogue!
- + ~50
- new scenes!
- + added
- map system
- + 3 new locations
- (LoveZone, Mall, Coffee Shop)
- + 2 new characters
- (Tina and
- ???
- )
- + Reach
- LVL 100
- with
- Chloe, Karla, Michelle, Alice and Tina !
- + improved audio system
- + reworked notifications & improved UI
- + 2 new ways
- of making money!
- +
- and a secret way of becoming a millionaire...
- Totalling...
- ~ 10.500 renders
- ~ 25.000 lines of dialogue
- PLUS:
- + 3 Extra Scenes,
- requested by subs!
### 0.3 (2023-07-20):
- v0.3 (2023-07-20):
- THE FAMILY CIRCLE - PART 1
- +
- 2.300
- new renders (with +200 animations)
- +
- 540
- new sprites
- +
- 6.200
- lines of dialogue
- +
- ~40
- new scenes
- Totalling...
- ~
- 7.200
- renders
- ~
- 17.200
- lines of dialogue
- PLUS:
- + 2 Extra Scenes
- , requested by subs!
- You can access these by doing
- Greed's little quest.
- Don't forget to be very diligent!
### 0.2.1 (2023-04-15):
- v0.2.1 (2023-04-15):
- SECOND HALF OF THE PROLOGUE!
- +2.700 images & animations
- +6.150 lines of dialogue
- +14 kinetic scenes
- Totalling...
- 4.900
- images & animations!!
- 11.000
- lines of dialogue!!
- PLUS:
- + Early Preview for the
- SANDBOX
- + Added Replay Gallery (GALLERY)
- + Added Character Details (CONTACTS)
- + Added Event Tracker (MY NOTES)
- + Added 'Unlock Gallery Entries' Cheat (SPECIALS)
- PLUS!!
- + Everything added in the previous hot-fix (0.1.1)
### 0.1.1 (2023-04-08):
- v0.1.1 (2023-04-08):
- Hot-fix addressing a few things:
- + Added a slider in the settings that lets you control the intensity of Screen Shakes
- + Added the option to skip certain scenes
- + Rewrote a few segments to better contextualize character's motives
- + Replaced nearly every song, sound effect and font used in the game
- (I had to)
- + Included subscribers (as of April 8th) in the credits section.
### 0.1 (2023-04-01):
- v0.1 (2023-04-01):
- Release of the game -
- FIRST HALF OF THE PROLOGUE!
- +2.200 images & animations
- +5.500 lines of dialogue
- +18 NEW kinetic scenes
- v0.5.1 (2026-04-08):
- Gardening Duty I !
- Gardening Duty
- + 2.270
- new renders
- (with
- +282 animations!!
- )
- + 4.000
- lines of dialogue!
- + 23
- NEW, INCREDIBLY SPICY SCENES!!
- + BRING MS. CLAIRE TO LUST LVL 2 - THE FIRST OF MANY!
- +
- Invite many other girls to your questionable photoshoot sessions at School...
- + 1 New Location: Ms. Claire's Apartment!
- + 1 New Location: The Park! (but there's nothing there yet... Soon TM)
- + Overhauled the Notes App
- : Now features an extensive Quest tab, guiding you through whatever storylines require a bit more attention step-by-step.
- +
- Overhauled the Gallery App
- : Each Gallery section now features a progress bar and a scene counter.
- +
- Overhauled the Help App
- : Now contains several topics neatly organized to help you out.
- I told you, it would get prettier one day!
- + Added Keybinds!
- Check the
- Help App
- for the full list.
- These will make your life much easier!
- +
- Fixed some eldritch bugs and embarrassing typos.
- Totalling...
- ~ 20.000 renders
- ~ 46.000 lines of dialogue
### 0.5.0 (2025-08-08):
- v0.5.0 (2025-08-08):
- Back to School!
- Brick-By-Brick
- + 3.375
- new renders
- (with
- +142 animations!!
- )
- + 8.000
- lines of dialogue!
- + 74
- NEW SCENES!! (plus countless other smaller interactions...)
- + 3
- new characters!
- (Katherine, Beth, Nico)
- + 1
- new
- SUPER-LOCATION
- :
- The School!
- The School is divided into 6 new locations, 30 rooms total!
- + 11
- brand-new events!
- + Implemented the
- Favor System
- Warm yourself up to hard-headed girls first!
- + Implemented the
- Instance System
- Allows for characters to be in different locations depending on your current Instance.
- + Added
- checkmarks to all interactions in-game
- , indicating the scene's
- completion status.
- + Added
- checkmarks
- to indicate if a scene
- skips time.
- + Added a button to
- skip the time
- in the
- Contacts App.
- + Added a short questline that unlocks
- Teleporting to characters
- from the
- Contacts App.
- +
- Fixed some eldritch bugs
- Totalling...
- ~ 18.500 renders
- ~ 42.000 lines of dialogue
### 0.4.5 (2025-01-09):
- v0.4.5 (2025-01-09):
- THE RESORT EPISODE
- The Family Circle: Part II
- + 4.425
- new renders (with
- +158 animations!!
- )
- + 9.000 lines
- of dialogue!
- + 44 new scenes!
- (5 EXTRA SCENES, 12 SURPRISE SCENES...!)
- + 5 new characters!
- (4 being subscriber requests!)
- (Lotte, Akari, Gwen, Cordelia Rivas, Sera!)
- + 1 new location (The Sunset Resort!)
- + 1 major event: Bring your family to the Resort!
- + Compressed video file-sizes by a lot! (this release is lighter than 0.4!)
- + Added a search bar to the Contacts App!
- + Added minor characters to a new section of the Contacts App!
- + Added a system to locate each character in-game from the Contacts App!
- + You can now see who's in a location from the Map!
- + You can now preview who's in a room when there are multiple characters around.
- + You can now see when an event is taking place somewhere from the Map.
- + Prepared some systems to be implemented in the next update - 0.5.0!
- Totalling...
- ~ 15.000 renders
- ~ 34.000 lines of dialogue
### 0.4 (2024-03-15):
- v0.4 (2024-03-15):
- TREASURES & MAPS
- + 3.300
- new renders (with
- +272 animations!!
- )
- + 500
- new sprites!
- + 7.800
- lines of dialogue!
- + ~50
- new scenes!
- + added
- map system
- + 3 new locations
- (LoveZone, Mall, Coffee Shop)
- + 2 new characters
- (Tina and
- ???
- )
- + Reach
- LVL 100
- with
- Chloe, Karla, Michelle, Alice and Tina !
- + improved audio system
- + reworked notifications & improved UI
- + 2 new ways
- of making money!
- +
- and a secret way of becoming a millionaire...
- Totalling...
- ~ 10.500 renders
- ~ 25.000 lines of dialogue
- PLUS:
- + 3 Extra Scenes,
- requested by subs!
### 0.3 (2023-07-20):
- v0.3 (2023-07-20):
- THE FAMILY CIRCLE - PART 1
- +
- 2.300
- new renders (with +200 animations)
- +
- 540
- new sprites
- +
- 6.200
- lines of dialogue
- +
- ~40
- new scenes
- Totalling...
- ~
- 7.200
- renders
- ~
- 17.200
- lines of dialogue
- PLUS:
- + 2 Extra Scenes
- , requested by subs!
- You can access these by doing
- Greed's little quest.
- Don't forget to be very diligent!
### 0.2.1 (2023-04-15):
- v0.2.1 (2023-04-15):
- SECOND HALF OF THE PROLOGUE!
- +2.700 images & animations
- +6.150 lines of dialogue
- +14 kinetic scenes
- Totalling...
- 4.900
- images & animations!!
- 11.000
- lines of dialogue!!
- PLUS:
- + Early Preview for the
- SANDBOX
- + Added Replay Gallery (GALLERY)
- + Added Character Details (CONTACTS)
- + Added Event Tracker (MY NOTES)
- + Added 'Unlock Gallery Entries' Cheat (SPECIALS)
- PLUS!!
- + Everything added in the previous hot-fix (0.1.1)
### 0.1.1 (2023-04-08):
- v0.1.1 (2023-04-08):
- Hot-fix addressing a few things:
- + Added a slider in the settings that lets you control the intensity of Screen Shakes
- + Added the option to skip certain scenes
- + Rewrote a few segments to better contextualize character's motives
- + Replaced nearly every song, sound effect and font used in the game
- (I had to)
- + Included subscribers (as of April 8th) in the credits section.
### 0.1 (2023-04-01):
- v0.1 (2023-04-01):
- Release of the game -
- FIRST HALF OF THE PROLOGUE!
- +2.200 images & animations
- +5.500 lines of dialogue
- +18 NEW kinetic scenes
