Here is the full list of all 17 Animal Super Squad achievements.
Beat 5 Levels With Slippy
Find 20 hats
Finish 5 Levels With the Sledge Toaster as Starting Vehicle
Beat 5 Levels With Polka
Upload One Level To the Community
Find 10 hats
Find 5 hats
Finish 5 Levels With the Flushmaster as Starting Vehicle
Finish 5 Levels With the Kopter as Starting Vehicle
Play and Beat 50 Community Made Levels, you Total BadButt
Finish 5 Levels With the Flame Flower as Starting Vehicle
Beat 5 Levels With Ruthie
Beat 5 Levels With Ethan
Play and Beat 10 Community Made Levels
Finish 5 Levels With the Kopter Hat as Starting Vehicle
Beat 5 Levels With Corndog
Do a Backflip