Here is the full list of all 31 Dodo achievements.
Dodo is a quiet game.
Hit the character limit.
Enter a 9 character diamond solution.
Enter an 11 character diamond solution.
Get one of your 5 a day.
Don't get caught red handed.
In a solution, select nothing.
Lock every element in a grid.
Complete one moon.
Complete 5 moons.
Complete 10 moons.
Solve level 3-2.
Get 5 unique solutions on a single level.
Complete all levels in World 1.
Complete all levels in World 2.
Complete all levels in World 3.
Complete all levels in World 4.
Complete all levels in World 5.
Complete all levels in World 6.
Complete all levels in World 7.
Complete all levels in World 8.
Complete all levels in World 9.
Complete all levels in World 10.
Complete all levels in World 11.
Complete all levels in World 12.
Complete 200 levels
Get 10 diamonds.
Get 60 diamonds.
Get 100 diamonds.
Get 200 diamonds.
Complete all worlds.