I Found a nice website ( http://agedgamer.com ) with a very nice review of a old dos game written in Qbasic:

You can read the original blogpost here:

Screenshot of Gorillas game in QBasic. Image rights: Fair Use

• http://agedgamer.com/2012/01/02/banana-bombs-gorillas-rereview/

The author of the blog posting writes nicely how a (even primitve) computer game can capture the imagination and curiosity of a young boy and how he started modifying the game (the gravity), a first step into learning how to program.