During the Pax East ‘Inside Gearbox Panel’ Mikey Neumann tells about how they were working on the Moondance trailer. Half way through he joked about how it would be funny if there was a dance scene and how Harmonix can fix that. Harmonix is the developer of popular dance ritme game Dance Central. So someone did called up Harmonix and got the job done and now they are in the Borderlands universe. But does the it work both ways?
Well after a long struggle Gearbox Software & Harmonix got the job done. You can now unlock Nisha & Claptrap in Dance Central. In the character select screen press the following code to unlock your favorite vault hunter.
Press X 5 times to unlock Nisha
Press Y 5 times to unlock Claptrap