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Eastern role-playing video games are role-playing video games developed in East Asia, including Japan, South Korea, and, to a lesser extent, China.

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

Sprites are generally 2D images used in games to represent objects. They can be animated or static, and come in different styles like isometric or top-down.

The graphics that make up a tile map

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