Skip the First Three Levels
While starting up the game, hold down 1, 2 and 3. Then during level one or two, press 'apple L' to skip the level.
Note: If you skip level 2, you still need to enter the copy protection password.

Cheat Codes
When you start up the game hold down the 1, 2, and 3 keys. Then you will get a message saying "You are worthy of the power of Jeffar!" Then while playing you can enter these cheats:
- hold down the apple button and press k to kill everyone on the screen (except you)

- hold down the apple button and press g will let you type in any level you want to go to

- hold down the apple button and press t to get another potion. (If this code turns your sound of press apple and t again)

- hold down the apple button and press l to skip the level you are on.