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