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