High Quality Content by WIKIPEDIA articles! Expensive Planetarium is the star display written by Peter Samson for Spacewar!, one of the first interactive computer games. Conceived and written by Massachusetts Institute of Technology (MIT) students including Stephen Russell who programmed it, the Spacewar! game first ran in early 1962 on the PDP-1 donated to the school by Digital Equipment Corporation (DEC). The planetarium replaced the game`s random dots of light in 1962 or 1963.