Here is the full list of all 44 Disney Epic Mickey 2: The Power of Two achievements.
Shuttered all four train stations
Collected every Costume
Collected 176 Collectible Pins
Finished all quests
Completed a race in Autotopia
Awakened every Spirit
Collected every 2D Film Reel
Defeated the Mad Doctor's new ride
Rescued all the gremlins
Got all three of Metairie's pictures
Dealt with all the Guardian Siphons
Got all Adelle's photos from the official Picture Spots
Got through Ventureland's construction area
Ignored Daisy AND Smee's suggestions
Built both statues in OsTown
Matched Seth's flowers to OsTown's statue
Destroyed 100 enemies
Befriended 100 enemies
Photographed every enemy
Found 88 Collectible Pins
Defeated Prescott's mechanical creation
Chased Prescott through the Floatyard
Played through every D.E.C.
Scouted a path through Fort Wasteland
Dealt with all 3 dioramas
Destroyed 50 enemies
Befriended the Blotworx and helped Petetronic
Got through Blot Alley by any means
Befriended 50 enemies
Revealed every knothole surprise
Opened the way to Blot Alley
Defeated the Blotworx Dragon
Braved Disney Gulch
Entered Angel Falls, exited Devil Falls
Found a way through the Rainbow Caverns
Restarted the Rainbow Falls Substation
Reprogrammed a Beetleworx
Awakened a Spirit
Solved OsTown's Thinner problem
Changed costumes for the first time
Navigated both halves of Mean Street
Acquired a Collectible Pin for the first time
Finished Yen Sid's Lab
Painted every star and comet in Yen Sid's Lab