Play as Grannie
Collect ALL 2,000 Diamonds and 40 Water Sprites in the game and then press the L button on the 'Title' Screen to switch to Grannie and start the game. Grannie has ALL of the available power-ups in the game to use at once.
Power-Ups
When you collect the indicated number of Golden Diamonds the corresponding power-up in Grannie's Attic will become available.
Power-Shot:
Collect 800 Golden Diamonds.
Extended Hover:
Collect 1,200 Golden Diamonds.
Vertical Boost:
Collect 1,600 Golden Diamonds.