Here is the full list of all 10 Sneaky Kitten achievements.
Complete the game
Complete level 1
Complete level 2
Complete level 3
Collect all coins in level 1
Collect all coins in level 2 part 1
Collect all coins in level 2 part 2
Collect all coins in level 3 part 1
Collect all coins in level 3 part 2
Collect all the coins in the game!