The number of “cheat codes” that were actually just bonus content. Like I remember there were codes in Diddy Kong Racing where you could change all the power-up balloons to any color, like all red or all blue. I also remember there were codes in Mechwarrior II that unlocked a few mechs. Like, there were NPCs in a few missions that were a Tarantula, a Battlemaster, and there were elementals in one level. You could cheat to play as them, but the Battlemaster crashed the game.

Good times.