My father, in 1983 when he programmed educational games for me on our Spectrum 48k.
The first one he made was based on the Dukes of Hazzard, to help familiarise me with the QWERTY keyboard.
It was a simple cyan background with a letter or number in the middle of the screen and a blocky General Lee on the left hand side.
When I pressed the corresponding rubber key (for that was what keyboards were made out of back in the day) the car would jump over the letter to a very basic rendition of the 'Dixie horn'.
The first 'professional' game I remember playing was something like Harrier Attack, Horace Goes Skiing or Horace and the Spiders.