If you're going to do a crossover video game, then unlockables are as mandatory as inside-joke dialogue. And if you're bringing the Xbox 360 and PS3 to the Poker Night franchise alongside the PC, then you've got to do something specific for each platform.
Telltale Games' crazy crossover card game features three characters with established voices - Team Fortress 2's Heavy, Strong Bad, and Max. But what does Penny Arcade's Tycho sound like? This trailer has the answer.