Full list of all 12 Max & the Magic Marker achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Windows Phone.
Complete a level having collected all of the pickups on that level
Pick up your first secret
Complete a level having collected all of the secrets in that level
Complete a level after having picked up at least half of all the secrets in the game
Pick up all the secrets in the game and complete the level you're on
Complete the first level of the game
Get to the second world of the game
Get to the third world of the game
Get to Mustacho's lair and defeat him
Complete a level faster than the allotted time
Beat the speed run time on all levels
Complete the game having found all pickups and secrets, and completed every speed run