Christmas Defence achievements

Scare at least 10 bad animals with a petard.

Complete the level using only squirrels.

Hedgehog attacks at least 3 animals.

Go through 9 levels.

Go through 12 levels.

Complete the level using only dogs.

Go through 3 levels.

Accumulate 20 buttons.

Go through the level of not more than 60 seconds.

Complete the level without using dogs.

Hedgehog takes a position.

Drive away the bad beasts.