Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Caramelizer ( 15 points )	Try to cook some sugar in Chapter 3.
Clueless ( 15 points )	When asked Whodunnit for the first time, accuse the innocent.
Doggie Fashionista ( 15 points )	Try every accessory once.
Down the Drain ( 20 points )	Complete Chapter 4.
Hounds of Horror ( 20 points )	Complete Chapter 3.
Memory Lane ( 10 points )	Find an object from a Wallace and Gromit movie.
Meteorologist ( 15 points )	Can the official forecast banish the bully from Felicity's doorstep?.
Mmm... Cheese! ( 15 points )	Find this episode's "mystery cheese" in Chapter 2.
Ocean Notion ( 20 points )	Complete Chapter 1.
Oh I Say! ( 20 points )	Hear Wallace say "I say!" in seven situations.
Tea, Everyone? ( 15 points )	Offer a cuppa to all your guests.
The Guest House Mutiny ( 20 points )	Complete Chapter 2.