Years ago I started out programming in QBASIC specifically because ms-dos came with a flavor that had a number of games that you could run. With the gorillas game (two gorillas throwing exploding bananas at each other) I had a direct feedback loop on what the code changes did. No book or help files, just raw edit and trial-and-error. Later on I moved to DarkBasic which was essentially a basic wrapper onto a 3D engine for making games. I loved both for their simplicity.

What would be the similar modern corollaries if I wanted my kids to have that early exposure nowadays?