Full list of all 12 Wallace & Gromit 3: Muzzled! achievements worth 200 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox 360.
Complete chapter 1.
Complete chapter 2.
Complete chapter 3.
Complete chapter 4.
Find an artifact from "A Close Shave".
Plato's theory of cones.
Find and eat this episode's "mystery cheese".
Expose Duncan's plagiarism!
Try to cheer up Paneer.
A biscuit Miss Flitt! To take the edge off!
P'raps the Constable would fancy an ice cream or six?
Hear Wallace say "Heaven's above!" in four situations!