1/3
1 Month of Service
- Allow others to update?
- yes
- Developer Name
- Gremory
- Developer Links
- Version
- 0.5.1
- Latest Update
- May 2, 2026
- Release Date
- Dec 15, 2024
- Language
- English, Thai
- OS
- Windows
- Linux
- MacOS
- Android

Overview:
You will take on the role of a college student who has to move to the 9th City unexpectedly and enroll in a prestigious private university. This city is under the control of several mafia gang, and you have certain ties to those gangs. Your mission is to keep your secret hidden and ensure that no one discovers your connection to the mafia.
3dcg, Mobile Game, Male Protag, Sandbox, Management, School Setting,
Extract and run.
v0.5.1
-Updated graphics starting from versions 0.1, 0.2 ,0.3
-Redesigned UI
-Added a Memory menu, allowing you to revisit old memories (only for scenes that cannot be replayed)
-Photo system
-Message system
-Added new Eileen content
-Added Vietnamese language (AI translated)
-remodel for Bell
v0.3.4
Main storylines for both Katie and Yumi
Fiona’s side quest
Rin’s NTR route has been updated
v0.2.2
Noel's storyline (with two branching choices)
Ning-Hwa's storyline Additional
v0.1.3
v0.1.2
Initial Release
- Eileen’s storyline
- Maria’s storyline
- Maki’s storyline
- New character: Sophia
- Farming minigame
- New location: M Condo
-Updated graphics starting from versions 0.1, 0.2 ,0.3
-Redesigned UI
-Added a Memory menu, allowing you to revisit old memories (only for scenes that cannot be replayed)
-Photo system
-Message system
-Added new Eileen content
-Added Vietnamese language (AI translated)
-remodel for Bell
v0.3.4
Main storylines for both Katie and Yumi
Fiona’s side quest
Rin’s NTR route has been updated
v0.2.2
Noel's storyline (with two branching choices)
Ning-Hwa's storyline Additional
v0.1.3
- The name entered by the player should now correctly represent the main character's name, You can change the name in settings.
- Added indicators to show which characters or objects are interactive.
- Fixed certain issues with the reward code system. Patreon supporters will need to re-enter their code to claim their rewards.
v0.1.2
- Game storage space decreased 750MB --> 630MB
- Cooking system.
- Two new types of beverages.
- Expiration date system and food handling.
- Code redemption system for Patreon supporters to receive items.
- Character relationship system.
- Two new stores : a Butcher shop and a Beverage shop.
- One mini-game.
- New interactive background image in Save menu.
- Character story.
- Weekend side income.
- Level system required to unlock Sex scenes.
- Game storage space decreased 1.2GB --> 750MB
- Indonesian language ( AI Translation )
- Correct the translation of some sentences
- Fixed night map bug
Initial Release
- All characters in the game are 18 years old or older.
- The story in "Mafia Certificate" is purely fictional and created for entertainment purposes only.
- The story includes NTR elements, but players have the option to avoid them.
- The game contains violent content, including themes of coercion, assault, crime, and drug-related activities.
- We do not endorse imitating the behaviors of the characters,including coercion, assault, crime, and drug-related activities.
- This game is not suitable for children.
- This game is currently in development.










