Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Ocean Notion (20 points): Complete Chapter 1.
The Guest House Mutiny (20 points): Complete Chapter 2.
Hounds of Horror (20 points): Complete Chapter 3.
Down the Drain (20 points): Complete Chapter 4.
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.
Tea, Everyone? (15 points): Offer a cuppa to all your guests.
Clueless (15 points): When asked Whodunnit for the first time, accuse the innocent .
Doggie Fashionista (15 points): Try every accessory once.
Caramelizer (15 points): Try to cook some sugar in Chapter 3.
Oh I Say! (20 points): Hear Wallace say "I say!" in seven situations.