Here is the full list of all 45 Broken Age achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Unlock all Broken Age Achievements
Complete Broken Age in under an hour, not counting loading and paused gameplay.
Reconnect with some old friends
Complete all rescue missions with zero errors
Execute a PERFECT escape
Start a group dance party
Feed two different people a healthy snack
Stand up for someone even though you haven't met her
Endure a tight situation as long as you can
Tell a great joke in one attempt
Follow up on a successful performance
Stand up for someone even though you haven't met him
Make someone strut their stuff
Answer some tough questions quickly
Visit someone in jail
Hear 20 reasons why Gary won't grab that
Get to know a stranger
Find 30 unique reactions to the Spoon
Make a Spoon Sweat
Complete Broken Age
Talk to the boss
Complete Act 2 of Broken Age
Find a genius
Commission a custom garment
Return a heavy duty spaceship part
Clear up a tangled situation in one attempt
Get a family member's help on a big project
Return a missing spaceship part
Chart a course away from danger
Deploy a weapon of mass destruction
Remove 8 sad faces from the Bassinostra
Uncover an unsavory scheme
Get to the ship's brain
Complete Act 1 of Broken Age
Take down Mog Chothra
Learn all you can about Sugar Bunting
Leave an isolated town
Reunite a mother and child
Get to know someone in a precarious position
Escape the Maidens Feast
Take Control of the Boom Arms
Inhibit a powerful entitiy
Travel to a forbidden location
Disrupt Shay's daily routine
Examine all breakfast options