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Uses two-dimensional "sprites", 2D images created and used on a flat plane, as opposed to the three-dimensional models or environments found in 3D games.

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

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

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