Res Militaria Napoleon is a cross-platform turn-based strategy game that offers a wargame experience set in historical contexts like Marengo, Austerlitz, and Waterloo battles. Inspired by classic chess and traditional war board games, it maintains low complexity and quick learning curve. The game features a tutorial scenario for beginners to grasp the basics and has been enhanced with user-requested features and a modern user interface.

Based on the Historia Battles series, Res Militaria Napoleon utilizes the same turn-based mechanics but with improved graphics and animations created using Godot and Blender. The game includes ad banners and videos, with the option to disable usage statistics collection in the settings. The battles are historically accurate, providing a challenging and immersive gameplay experience.