To activate the cheats; Select a table and start a 
new game. Having done that,press ESC and type kermit

Then, during gameplay, press ESC and type in one of 
the following
Code           Result          
---------------------                              
aloadofballs - Player receives 98 balls
extraball    - Player gets 1 extra ball
joshuajein   - Disable Tilt
kickback     - The ball is always knocked back into play
pickupball   - lets the player pick up the ball and move 
               it with the mouse