itch.io

Projects inspired by the 16 bit console generation from the late 80s and early 90s. Including the consoles Super Nintendo, Sega Genesis, and PC Engine/TurboGrafx-16.

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.

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

Related to the process of arranging game maps using a set of tile graphics (often call tilesets)