Sierra has shared a new trailer for their puzzle/platformer, Shiftlings. Click after the break to check what the new behind the scenes video has to offer.

Featuring five funky planets and over 50 mystifying levels, Shiftlings introduces a duo of space custodians who journey the galaxy solving complex puzzles. To help with the cosmic challenges, the Shiftlings pair can pass gas between their space suits through a linked air hose, allowing them to expand and contract in size and weight instantly. This astronomical adventure also supports both single and two-player local and online co-op multiplayer.