Today only, DotEmu has Nicky Boom 2 (iTunes Link) in the iTunes App Store for FREE for a limited time. Deal expires February 18, 2010.

Nicky Boom 2 follows the thrilling adventures of little Nicky Boom, retro platform game that combines adventure, puzzle and 90’s graphics, is now available on the App Store to try to solve a new riddle.

With his magical goose by his side, help Nicky Boom to find out who removed the ladders and blocked the entrance of the caves in his country of origin. Enjoy your new weapons, go look for keys to secret passageways, and get ready to fight hordes of toadstools that divide when they’re attacked, of killer wasps which fire at you, spiked wheels, and even hungry grizzlies.