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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.

Featuring games with three-dimensional graphics, environments, and gameplay mechanics. Depth and perspective create immersive virtual worlds.

Employing shapes, patterns, and colors to create non-representational art. Abstract games often focus on evoking emotions or exploring game mechanics rather than depicting realistic scenes or narratives. They may feature geometric designs, procedural generation, or unconventional gameplay elements that challenge traditional genre expectations.

Utilizing content created by algorithms rather than human made content. Often utilizes a "seed," a relatively small string that is used to control the randomization algorithm that generates the entire world.

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