PC Version
Press "Shift 2" (or the right shift button on your keyboard) to solve the puzzle automatically. This will make the game a lot easier. All you have to do is press "Shift 2" to complete and beat the puzzle.
Gameboy Color Version
To get unlimited time, highlight the "Spin" option, when you are spinning and hold the "A" button. To get unlimited time while buying a vowel, highlight the "Buy" option while you are buying a vowel and press "A."
Nintendo Version
To make Vanna White into Claw X, start a three-player game and enter: "Claw X" as each of the players' names.