At the "?" box inside the Krypt, press Nunchuck Down, Nunchuck Left, A, C, Nunchuck Up, C
to unlock the Pyramid Of Argus music. Alternately, press Down, Left, R, L, Up, L at the
"?" box inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press Nunchuck Up, D-pad Right, C, A(2), D-pad Down to
unlock the Tekunin Warship music. Alternately, press Up, A, L, R(2), B at the "?" box
inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press C, D-pad Up, C(2), A, D-pad Left to unlock Blaze
concept art. Alternately, press L, X, L(2), R, Y at the "?" box inside the Krypt using a
Classic Controller.

At the "?" box inside the Krypt, press Nunchuck Up, D-pad Down, RZ, Nunchuck Down, C,
D-pad Down using a Wii-mote and Classic Controller at the "?" box inside the Krypt to
unlock Early Taven concept art. Alternately, press Up, B, RZ, Down, L, B at the "?" box
inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press C, Nunchuck Left, Nunchuck Up, D-pad Right, A, C to
unlock Ed Boon concept art. Alternately, press L, Left, Up, A, R, L at the "?" box inside
the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press Nunchuck Up, D-pad Left, A, C, D-pad Right, C to
unlock Firewall arena concept art. Alternately, press Up, Y, R, L, A, L at the "?" box
inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press A, Nunchuck Right, Nunchuck Up, A, D-pad Up,
Nunchuck Up to unlock Mileena's car design concept art. Alternately, press R, Right, Up,
R, X, Up at the "?" box inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press D-pad Up, Nunchuck Left(2), D-pad Down, Nunchuck
Down, D-pad Right to unlock Pyramid concept art. Alternately, press X, Left(2), B, Down, A
at the "?" box inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press A, C, Nunchuck Left, D-pad Down, Nunchuck Up, A to
unlock Sektor's Pulse Blade concept art. Alternately, press R, L, Left, B, Up, R at the
"?" box inside the Krypt using a Classic Controller.

At the "?" box inside the Krypt, press C, Nunchuck Left, Nunchuck Up, D-pad Right, Z, C to
unlock the Scorpion Throw Sketch concept art.

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.