Unlock the following pickaxes by performing the corresponding tasks in Story mode. Note: A total of 44 Dragon Orbs can be found in Story Mode, Dungeon-a-Day Mode, and Training Mode.

PICKAXE - HOW TO UNLOCK
Pathfinder 6000 - Collect 8 Dragon Orbs.
Snacker Whacker - Collect 19 Dragon Orbs.
Sneaky Peeker - Select "The Power of One", enter the "Manage Save Data" menu, and select a 100% saved game from What Did I Do to Deserve This, My Lord!?.
Snoozerator Pickaxe - Collect 13 Dragon Orbs.
Waterstarter Pickaxe - Collect 4 Dragon Orbs.