At the "?" box inside the Krypt, press D-pad Right, RZ, D-pad Up, Nunchuck Down, D-pad Right, Nunchuck Left using a Wii-mote and Classic Controller at the "?" box inside the Krypt to unlock Unused Konquest Trap concept art. Alternately, press A, RZ, X, Down, A, Left at the "?" box inside the Krypt using a Classic Controller.