Full list of all 20 ilomilo plus (Windows) achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Windows.
Complete a level
Complete the tutorial
Get to chapter 2
Get to chapter 3
Get to chapter 4
Help find all 10 floating eggs with the fly while playing cooperatively
Unlock Playroom Escapade
Complete the game
Collect one safka of each color
Collect all yellow safkas
Complete all bonus levels
Experience all memories
Play ilomilo shuffle
Beat your previous score on a level
Complete the level "playroom" in Playroom Escapade in less than 200 steps
Defeat a Nabber in the same move as you complete a level
Fully load piccolo
Turn one cube into three, using only two mirror cubes
Walk 70 steps in a row with the same mimic attached. No backtracking allowed
Eat all the apples on Apple Mayhem