Here is the full list of all 18 WILOO achievements.
You got 1.000.000 coins!
Reach 5 hours of gameplay time.
You have finished all levels and collect all 135 special coins!
You cleared all World Five Levels!
You have unlocked all bonus stages!
You got 10.000 coins.
You cleared all World Four Levels!
Reach 2 hours of gameplay time.
You cleared all World Three Levels!
You have finished half of all levels.
You have unlocked half of all bonus stages!
You cleared all World Two Levels!
Reach 30 minutes of gameplay time.
You got 1.000 coins.
You cleared all World One levels!
You have unlocked the first bonus stage!
You got 100 coins.
You have finished the first level.