Air!
If you count Android too, then this: I got my first Android phone when I was 10 or 11 and rooted it on the first day of having it. This was during a time when we were all still using ClockworkMod because TWRP didn't exist yet, and I somehow ended up with a system without a kernel. Panic ensued, and I spent that entire night (like 10 hours) digging through xda in order to find a tutorial on how to get this damn phone to run again. Imagine having to tell your parents "I broke my phone I got yesterday." I did get it working at like 6:30 AM. Fun times.
You probably have to explain what Serial actually is.
Lichess is better.
Dich haben sie bei der Geburt drei Mal hochgeworfen und zwei Mal aufgefangen.
When you were born, they threw you three times and only caught you twice.
No problem, I just used a reverse image searcher and combed through the results iteratively until I was satisfied there wasn't a higher-res version somewhere.
Highest resolution I could find was this: 
Morphior
joined 1 year ago
What do you recommend to them if they do want to game?