Eat 15 things
Collect all the sticks in Culdesac
Complete the tutorial
Collect all the bones in Culdesac
Hold your breath for a full minute underwater
Complete all missions in Culdesac
Complete all missions in Doggerton
Complete all missions in Pupperwave
Complete enough challenges in Paws Attacks to save your new outer space buddies!
Pile a ton of rocks onto the scale
Destroy every glass beaker on Mars