Unverified. Enter at the ? square in the krypt.

UP, BLUE, BLUE, RED, RED, UP -- Unlocks Meat
YELLOW, BLUE, LEFT, RT, LEFT, B -- Unlocks Blaze
RT, LEFT, WHITE, UP, RED, DOWN -- Unlocks Taven
RT, RT, YELLOW, DOWN, DOWN, BLUE -- Unlocks Daegon
DOWN, RT, UP, RT, RT, RIGHT -- Unlocks Nitara's alternate costume
WHITE, RIGHT, GREEN, WHITE, UP, UP -- Unlocks Drahmin's alternate costume
RT, LEFT, UP, RED, UP, WHITE -- Unlocks Shang Tsung's alternate costume
DOWN, WHITE, RT, RT, RED, WHITE -- Unlocks Frost's alternate costume
WHITE, RED, X,GREEN, RED, YELLOW -- Unlocks Falling Cliffs Arena
RT, LEFT, LEFT, DOWN, RT, BLUE -- Unlocks Nethership Interior Arena
LEFT, LEFT. RED, UP, YELLOW, RT -- Unlocks Shinnok's spire arena
RED, RT, UP, BLUE, RED, DOWN -- Unlocks Red dawn arena
RT, RT, BLUE, GREEN, WHITE, UP -- Unlocks Pyramid of Argus arena
WHITE, YELLOW, RT, UP, GREEN, GREEN -- Unlocks General Reikos map room arena
RT, YELLOW, WHITE, WHITE, RT, BLUE -- Unlocks Concept Art Blaze
UP, GREEN, WHITE, DOWN, WHITE, GREEN -- Unlocks Concept Art Early Taven
RED, WHITE, YELLOW, DOWN, RED, LEFT -- Unlocks Concept Art Unused Konquest Trap
WHITE, RT, LEFT, GREEN, UP, RT -- Unlocks Concept Art Sektor's Pulse Blade
WHITE, RIGHT, UP, RT, YELLOW, up -- Unlocks Concept Art Mileena's car design
RT, LEFT, UP, RED, WHITE, RT -- Unlocks Concept Art Ed Boon Drawing
YELLOW, LEFT, LEFT, GREEN, DOWN, B -- Unlocks Concept Art Pyramid of Argus
UP, BLUE, RT, WHITE, RED, RT -- Unlocks Concept Art Firewall arean
GREEN, RT, RT, WHITE, UP, up -- Unlocks Comcept Art Pyramid of Argus
WHITE, LEFT, RED, GREEN, WHITE, forward -- Unlocks Lin Kuei Palace Tune
UP, RED, RT, RT, RT, GREEN -- Unlocks Tekunin Warship Music
DOWN, LEFT, WHITE, WHITE, UP, RT -- Unlocks Pyramid of Argus Music
GREEN, BLUE, LEFT, YELLOW, BLUE, GREEN -- Unlocks Armory Music
UP, UP, DOWN, UP, WHITE, GREEN -- Unlocks Armageddon Promo Movie
YELLOW, UP, WHITE, RT, RT, WHITE -- Unlocks Motor Gameplay Movie
RT, LEFT, UP, RED, WHITE, RT -- Unlocks Ed boon drawing

Submitted by mktortoreman (fan_of_lordi)7