Easter egg: On the Main Menu, you can find a sequence of the crew (not including any of the original actors) performing "We Rock". Place your arrow on Play, then go up, and you will see the guitar string tuner on the CAMP ROCK logo slightly highlight.
Easter egg: Mess around with your remote controls, until you highlight the W with the 214 value underneath. You will be greeted with a old title test from Summer of 2004, in which was used to pitch the original plot and script for W.A.L.-E (WALL-E).