- math olympiad
- unsolved problems in computer science
- the x-games
edit:
The most number 2 of all number 2s. Hack n' slash, a game that is already about unsolved problems in computer science has an exploit where you can store a string the game is supposed to prevent you from using in your code as the character's name, and then call that.
Some mathematician thinks they've proven the Riemann hypothesis first, only to learn that Pannenkoek2012 cracked it two years prior in order to save half an a-press.
