Sonic developers have merged 2D and 3D gameplay in recent titles like Sonic Forces, Sonic Colors, and Sonic X Shadow Generations. Some great Sonic games skillfully blend 2D and 3D sections, offering ...

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...