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What is the Demoscene?

The demoscene is an international computer art subculture focused on producing demos: self-contained, sometimes extremely small, computer programs that produce audiovisual presentations. The purpose of a demo is to show off programming, visual art, and musical skills. Demos and other demoscene productions (graphics, music, videos, games) are shared at festivals known as demoparties, voted on by those who attend and released online.
Demoscene productions can be made with the latest consumer technology or with vintage home computers and consoles. Often terms "newschool" and "oldskool" are vaguely used to describe products for newer and older computers. In the oldskool department techniques of the past like ASCII/ANSI art, pixel graphics, chipmusic are constantly being used.

History

Demos in the demoscene sense began as software crackers' "signatures", that is, crack screens and crack intros attached to software whose copy protection was removed. The first crack screens appeared on the Apple II in the early 1980s, and they were often nothing but plain text screens crediting the cracker or their group. Gradually, these static screens evolved into increasingly impressive-looking introductions containing animated effects and music. Eventually, many cracker groups started to release intro-like programs separately, without being attached to unlicensed software.

In 1980, Atari, Inc. began using a looping demo with visual effects and music to show off the features of the Atari 400/800 computers in stores. At the 1985 Consumer Electronics Show, Atari showed a demoscene-style demo for its latest 8-bit computers that alternated between a 3D walking robot and a flying spaceship, each with its own music, and animating larger objects than typically seen on those systems; the two sections were separated by the Atari logo. The program was released to the public. Also in 1985, a large, spinning, checkered ball—casting a translucent shadow—was the signature demo of what the hardware was capable of when Commodore's Amiga was announced (Shown in the left).