Tiny and Big: Grandpa's Leftovers is a physics based, action-adventure, platforming, sandbox game, developed and published by Black Pants Game Studios released for PC, Linux and Mac, on June 19 2012. The game is a sandbox in which you need to solve puzzles presented to you using various tools including a ray cutter, a grappling-device, and rockets.

The player controls Tiny, an inventor with a penchant for destruction. After Tiny's nemesis Big steals Tiny's late Grandfather's pants - the only thing left to Tiny by his Grandfather - Tiny must traverse "the Forsaken Desert" to reclaim these stolen pants. His only ally is "the Radio", though it is not made clear whether his benefactor is someone using the radio to speak to Tiny, or if the device he is carrying has some sort of artificial intelligence within it.

Have fun.