Here is the full list of all 11 Pix the Cat achievements.
Perform 10 perfects in a row
Score 2 000 000 points in the arcade main grid
Score 1 500 000 points in the arcade dessert grid
Top 10 of a daily leaderboard
Top 100 of a daily leaderboard
Score 1 000 0000+ pts 5 games in a row
Fever mode frenzy for 120 seconds
Finish each and every puzzle
All levels succeeded with perfect bonus... good luck
Finish every single level
All levels succeeded with flower bonus... not possible