Single cheat:  type RUNCHEAT for unlimited lives.
 
Start the game as usual, and while playing the game, you can access
the cheat mode by doing the following.
 
Pause the game with the Space Bar. Now type 'DSIMAGIC' (do not hit
return) and press Space to unpause the game.
 
A yellow capsule, 'DS' will fall. Catch it. Now the following keys
will make the following capsules fall at any time.
 
[B] - Break        (Opens gates and awards bonus points)
[C] - Catch        (Holds ball)
[D] - Disruption   (Split into 3 balls)
[E] - Expand       (Makes vaus larger)
[L] - Laser        (Gives you a laser used with mouse button)