Ex Decreto puts you in the role of governor of a province recently conquered by Rome: Dalmatia, in the 1st century AD. Administer justice wisely to maintain peace and assert Roman rule! Be careful, however, not to make too many errors in judgment.

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Planned Release Date: 2026

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About This Game

 In this video game, based on Gwenaëlle Deborde's doctoral research, you are immersed in Roman antiquity while accessing the fruits of her labor. As you investigate as a judge, you gain access to real ancient sources that still allow us to write history today. 

This simple and fun game is aimed at both novices and experts, so don't hesitate to give it a try!

The educational dimension

Ex Decreto has been designed in chapters for use in the classroom with a history teacher. Each chapter corresponds to a case to be judged.

You can start a game and play through all the cases, or choose the chapter that interests you.

You can consult your advisors to find out more!

Then make your decision.

Will you be a good Roman governor, or will you provoke a revolt in your province?

Credits

Directed by:

• Gwenaëlle DEBORDE : Business development, Historical advisor
• Louis FARCY : Project Manager, Game Designer
• Solenne MARTY : Game artist 2D/3D
• Anne-Laure TUDURI : Game artist 2D
• Anne-Sophie KOCH : Developer
• Alexis LY: Sound Designer

Funded and supported by:

• La Région Île de France
• La Sorbonne Université
• La Faculté des Lettres - Sorbonne Université
• Les Clionautes
• La Science Entre En Jeu

Note

When you are in the game, you can:

  • Zoom in/out using the mouse wheel.

  • Hold down the right mouse button and move the mouse to change the camera angle.Please note that when you release the mouse button, the camera will return to its initial position.

System Requirements

    Minimum:
    • OS: Windows 10 version or newer
    • Processor: Intel Core i3
    • Memory: 1 GB RAM
    • Graphics: NVIDIA GT 630 / 650m, AMD Radeon HD6570 or equivalent
    • Storage: 400 MB available space
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