itch.io

Simple, fast-paced games with colorful graphics and catchy audio, that require few or no explanations, can be played in short bursts, and usually require a lot of skill. Similar in style and spirit with the arcade game cabinets of the 80s and 90s.

PICO-8 is a fantasy console powered by Lua. Games are distributed as cartridges which double as PNG  images. 

PROCJAM is the Procedural Generation Jam, an annual event about making things that make things.

http://www.procjam.com/