Complete Super Exploding Zoo.
Breed 100 Baby Crocs.
Finish a level with just baby animals alive.
Collect all the stickers!
Destroy everything in the Zoo Hub.
Allow the motherships to spawn 40 babies on Dynamite Heights Level 8.
Finish with exactly 2 of each animal in your herd on Dynamite Heights Level 3.
Destroy everything in a Dynamite Heights level.
Aliens ate 56 sleeping animals.
Defeat an opponent using Pandas.
Force a draw in VS mode with only 1 animal left.
Defeat an opponent using Rhinos.
Survive your own rampage and then defeat opponent on their rampage.
Finish a level with 60 animals for the Hatchery.
Vandalise all the cars.
Collect your first sticker!
Fail a level by deploying a special skill animal as your final animal.
Fail by using your last animal to blow up a wall.
Stay armed for an entire level.