Prospero was an ambitious multiplayer online game being developed by Valve in 1996. The game was to take place in a vast "library" that connected user-generated levels together with Valve's own maps over the internet. The main character, Aleph, was to be a librarian with psychic powers that allowed her to traverse the levels in the game. While Prospero had been cancelled, the concepts of interconnectivity such as online play, a server browser and user generated content remain hallmarks of Valve's games and products to this day.
In the Steam version of Half-Life, the music tracks:
Prospero01.mp3 - Prospero05.mp3in the game's