Hold LB, LT, RB, RT then press B button to remove grid or press A to change jewel types.
Cognito Mode
To unlock Cognito Mode finish all the puzzles in Puzzle mode. It is okay to look at hints constantly to solve all the puzzles. Cognito Mode is basically Puzzle Mode with no hints.
Finity mode
Complete 280 levels of Endless mode.
Hyper mode
Complete 8 levels in Action mode.
Twilight mode
Complete 17 levels in Classic mode.
Original Mode
To play Bejewelled 2 with the same gameplay mechanics as Bejewelled 1 (asin the power gems and hyper cubes don't exist), go into Play Game when you first load up the game. Select the Classic, Action, Endless and Puzzle mode buttons (in that order) at the menu screen repetedly (so you're basically maneuvering the cursor across the screen clockwise). After several rounds, a window will come up saying 'Please Wait', and Original Mode will load up.
Normal Achievements
To get all the achievements in the game, do the following things:
Action mode: Get to level 9 in action mode
Cascade 8: Get a x8 cascade during any game mode
Classic mode: Get to level 18 in classic mode
Cognito mode: Collect 50,000 in cognito mode
Endless mode: Finish level 280 in endless 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
Multi mode: Twilight, Hyper, Cognito, and Finity mode
Power10000: Make 10,000 power gems across all your games
Puzzle mode: Finish all 80 levels in puzzle mode
Twilight mode: Finish level 10 in twilight mode
See more:
Bejeweled 2 Deluxe Video Game Console Items...