Here is the full list of all 46 Disney Epic Mickey 2: The Power of Two achievements worth 1,000 gamerscore.
Collected 176 Collectible Pins
Awakened every Spirit
Shuttered all four train stations
Collected every 2D Film Reel
Befriended the Blotworx and helped Petetronic
Mickey revived Oswald while playing co-op
Finished Dark Beauty Castle with two players
Painted every star and comet in Yen Sid's Lab
Collected every Costume
Completed a race in Autotopia
Finished all quests
Found 88 Collectible Pins
Defeated the Mad Doctor's new ride
Rescued all the gremlins
Matched Seth's flowers to OsTown's statue
Photographed every enemy
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
Played through every D.E.C.
Befriended 100 enemies
Revealed every knothole surprise
Defeated Prescott's mechanical creation
Chased Prescott through the Floatyard
Scouted a path through Fort Wasteland
Befriended 50 enemies
Dealt with all 3 dioramas
Got through Blot Alley by any means
Opened the way to Blot Alley
Built both statues in OsTown
Destroyed 100 enemies
Awakened a Spirit
Defeated the Blotworx Dragon
Braved Disney Gulch
Destroyed 50 enemies
Entered Angel Falls, exited Devil Falls
Found a way through the Rainbow Caverns
Restarted the Rainbow Falls Substation
Reprogrammed a Beetleworx
Solved OsTown's Thinner problem
Navigated both halves of Mean Street
Changed costumes for the first time
Finished Yen Sid's Lab
Acquired a Collectible Pin for the first time