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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.

Software that runs software for other platforms via emulating the system.

Games you can play with two or more people on one computer or device.

Unity is a game engine for 2D, 3D, AR and more