Hamster Ball
16 Achievements
PS3
Familiar Beaver
Complete all non-practice Hustle levels with single hamster type.
4.6%
How to unlock the Familiar Beaver achievement in Hamster Ball - Definitive Guide
iamQmai1
What I did was unlock Spiky, then went back to the Bounce I level and completed the game with him. NOTE: This doesn't include the bonus levels, since they are hard to navigate the first time you play them.