itch.io

Games in which the player shoots things to progress, usually with a variety of guns, and other times with bows and arrows.

Near infinitely replayable games that usually feature, random generation, perma-death, and brutal difficulty. 

Programs that typically run in the graphics pipeline directly on the GPU to apply special effects to graphics

The darkness formed by the absence of light around an object.

Games where the primary goal is keeping the player character alive under harsh circumstances such as dwindling resources or a hostile environment.