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Games that try to simulate real-world activities (like driving vehicles or living the life of someone else) with as much realism as possible. Simulators generally require more study and orientation than arcade games, and the best simulators are also educational.

Offering easy-to-understand mechanics and accessible gameplay, this category emphasizes relaxed, enjoyable experiences suitable for players of all ages and skill levels.

Godot Engine - The free and open source 2D and 3D game engine

Resources relating to or for building Graphical User Interfaces (Commonly called GUIs)

Games that can be played alone