Complete one of the following tasks.

Achievement	How to unlock
A Good Start	Complete all tutorial levels.
Above and Beyond	Complete a level with fewer pivots than the gold requirement.
Answer To What?	Collect 42 batteries.
Cleanup Crew	Complete all the levels in Junk Inc.
Energized	Complete all the levels in Battery Park.
Hero of Mars	Complete all the levels in Mars Station.
Infinite Energy	Get a gold medal on every level in Battery Park.
Master of the Junkyard	Get a gold medal on every level in Junk Inc.
Spirit and Opportunity	Get a gold medal on every level in Mars Station.
Thanks For Trying	Complete a level with 50 or more pivots.