Colibri Games says that, for a limited time, the new Tiny Bang Story 1.0 for Mac OS X is 50% off (US$4.99). It requires Mac OS X 10.5 or later and is available in the Mac App Store under the Games category.

The Tiny Bang Story is a hand-drawn point-and-click puzzler set on the fictitious world, Tiny Planet. When an asteroid hits, its fragile world breaks into pieces. You’ll have to recover its lost beauty and help the population of Tiny Planet. Through five chapters, you’ll solve puzzles and fix machines in a point-and-click environment.