Cognito mode
Successfully complete all 80 Puzzle mode worlds to unlock Cognito mode.
Finity mode
Successfully complete 280 levels of Endless mode to unlock Finity mode.
Hyper mode
Successfully complete 8 levels in Action mode to unlock Hyper mode.
Twilight mode
Successfully complete 17 levels in Classic mode to unlock Twilight mode.
Change Jewel Types
Hold LT + LB + RT + RB and press A.
Remove Background Grid
Hold LT + LB + RT + RB and press B.