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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 extraterrestrial beings, these games often explore themes of space travel, alien invasions, or interstellar diplomacy. Encounter mysterious life forms, defend against alien threats, or uncover the secrets of the cosmos in these otherworldly adventures.

The larger universe outside of Earth's atmosphere. Sometimes really, really far outside of it.

The graphics that make up a tile map

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