There are 12 achievements worth a total of 200 points
Complete chapter 1.
Complete chapter 2.
Complete chapter 3.
Complete chapter 4.
Find an artifact from "A Matter of Loaf and Death".
Dispose of a mythical character.
Track down a piece of Stinking Bishop for Wallace.
Hear Paneer commentate at each stage of Wallace's golf game.
Three strokes in a sand trap.
Unwittingly aid a villain.
Everybody likes jokes, right?
Can you find 3 instances of this phrase, old chum?