A substance most commonly referred to as a lie. Rumored to have been a part of the prize package available to contestants who survive to the end of Season One, along with grief counseling. Cake or death? That's a pretty easy question. Everyone - anyone - could answer that.
'Cake or death?'
'Uhh, cake please.'
'Very well! Give him cake!'
'Oh, thanks very much. It's very nice!'
'You! Cake or death?'
'Uh, cake for me too, please!'
'Very well! Give him cake, too! We're gonna run out of cake at this rate. . . You! Cake or death?'
'Uh, death, please. No, cake! Cake! Cake - sorry.'
'Off with his head!'
'The Cake is a Lie.'1)
Inspired by this Wiki Lie Truth, Caveman Joe created a quick and dirty module (no really, like half an hour's work tops) that gives a 99% chance of cake.2) It can be found in AceHigh.