Here is the full list of all 41 Escape From Lavender Island achievements.
Escaped University Prison Psych Ward
Got your first ship
Interacted with a citizen
Captured the bird man for the robot
Cleared all challenges in Corporate University Prison Town
Visited So-Tep Slums
Won the Race with ShortFat
Discovered Backbone of the City
Put out Fire
Cleared all challenges in the So-Tep Slums
Visited the Clown Town Renovation Zone
100% destruction in vestiges of previous society
Saw Bone Leg’s Life’s Work
Knocked 10 citizens into the abyss
Completed two dance competitions
Completed the jump challenge
Freed the old baby
Cleared all challenges in Clown Town Renovation Zone
Visited Business Disintegration Zone
Eliminated all Boxed Ducks
Eliminated all basketball hoops
Helped underground people with their camera problem
Found the secret rooftop film
Cleared all challenges in the Business Disintegration District
Visited Two Butts Alien Colony
Got all masks
Got endless Butt Ship
Found secret alien blob
Escaped Lavender Island
Cleared all challenges in Two-Butts Extraterrestrial Colony
Went to all 5 concerts
Found all 15 Haikus
Read all info signs throughout the island
Activated all 15 sculptures on the island
Found every poem letter
All peepholes found
Ran simulation all the way through
Total completion 100%
Helped out some clowns and joined their cult
Sucked up and spit out citizens in every level
Learned all Lavender’s Corporate secrets