Enter one of the following codes during game play to activate the corresponding cheat function. Repeat a code to disable its effect.

Effect - Code:

Toggle border display - noframe
Original Bejeweled gems - oldskool
Winter background - xmas
Space background - starfield

Reach level 280 on Endless Mode tp unlock Finity.
Reach level 9 in Action Hyper Mode is a 4x faster version of Action mode but with a slower timer.

Use the mouse to move in a clockwise circle on the Classic, Action, Endless and Puzzle mode selection buttons (in that order) at the menu screen. Note: Make a circular motion and make sure each is touched by the pointer. Keep repeating the circular motion until the original mode game begins.

Reach level 18 in Classic Twilight is a tops-turvy version of Classic. Here, "gravity" alternates between up and down on every swap you make.