Spacewar!
Screenshot:
This is a virtual
DEC PDP-1 emulated in HTML5/JavaScript running the original code of Spacewar! , the earliest known digital video game. If available, use gamepads or joysticks (currently Chrome and Firefox only, see instructions-memo below) for authentic gameplay the game was originally played using custom control boxes.
Spacewar! was conceived in 1961 by Martin Graetz, Stephen Russell, and Wayne Wiitanen. It was first realized on the
PDP-1 in 1962 by Stephen Russell, Peter Samson, Dan Edwards, and Martin Graetz, together with Alan Kotok, Steve Piner, and Robert A Saunders. – Spacewar! is in the public domain, but this credit paragraph must accompany all distributed versions of the program.