> looking for a new game
> ask the game store if the game is Z-up or Y-up
> they don't understand
> pull out illustrated diagram explaining what is Z-up and what is Y-up
> they laugh and say "it's a good game sir"
> buy the game
> it's Y-up

rayman 2 mods, programming crimes in C, reverse engineering, etc.
"This is a strange Debug Warning" ~ ubisoft 1997