Funny. At my HS there was also a game where you'd hang out in the drafting lab during lunch, and try to eat your lunch food while playing Wolfenstein 3D, without the teacher noticing the food part.
Crumbs on the digitizer board were especially dangerous to your wellbeing.
Ours was Spectre[0] as our school had a Macintosh lab. We learned to pick locks on that lab door, to sneak in and play the game together during lunch. Thankfully the lab teacher was an extremely passionate nerd like us, so was understanding, but it still involved a fair few lunchtime detentions over the year or two we did it.
Crumbs on the digitizer board were especially dangerous to your wellbeing.