Puzzle Mode - Complete all 80 levels in puzzle mode
Twilight Mode - Complete level 10 in twilight mode
Endless Mode - Complete level 280 in endless mode
Cognito Mode - Get 50,000 in Cognito Mode
Cascade 8 - Get a x8 cascade during any game mode
Classic Mode - Get to level 18 in classic mode
Action Mode - Get to level 9 in action mode
Finity Mode - Get to level 9 in finity mode
Hyper Mode - Get to level 9 in hyper mode
Hyper1000 - Make 1,000 power gems across all your games
Power10000 - Make 10,000 power gems across all your games
Multi Mode - Unlock Twilight, Hyper, Cognito, and Finity mode.
Unlock Cognito Mode my completing all 80 levels of Puzzle mode. Don't just rush through Puzzle mode though, pay attention to the way you do the puzzles. Cognito Mode is puzzle mode with points, so don't forget how to do the puzzles!
Twilight Mode - Complete 17 levels of Classic Mode
Finity Mode - Complete 280 levels of Endless Mode
Hyper Mode - Complete 8 levels of Action Mode
Hold LB, LT, RB, RT then press B to remove grid or press A to change jewel types.