What is "demoparty"

n. (context demoscene English) A party organised by and for the demoscene, typically involving socialize, computer programming, and competitions.

A demoparty is an event that gathers demosceners and other computer enthusiasts to partake in competitions of demos (short audio-visual presentations of computer art). A typical demoparty is a non-stop event spanning a weekend, providing the visitors a lot of time to socialize. The competing works, at least those in the most important competitions, are usually shown at night, using a video projector and big loudspeakers. The most important competition is usually the demo compo.