Games that try to simulate real-world activities (like driving vehicles or living the life of someone else) with as much realism as possible. Simulators generally require more study and orientation than arcade games, and the best simulators are also educational.
Ludum Dare is a 48 and 72 hour game making competition globally hosted over the internet; Ludum Dare 34 ran from December 11th to December 14th, 2015, with two combined themes, "Two Button Controls" and "Growing".
Pixel Art refers to the charming, simplistic, retro/renaissance style of very-low-resolution graphics, such as from the 1977-1995 Atari, GameBoy, & Super Nintendo (SNES) eras.
