PC Video Games Of The 90's

Inspired by radar display tech, it consisted of an analog device that allowed a user to control a vector-drawn dot on the screen to simulate a missile being fired at targets, which were drawings fixed to the screen.
Other early examples include:
- The NIMROD computer at the 1951 Festival of Britain
- OXO a tic-tac-toe Computer game by Alexander S. Douglas for the EDSAC in 1952