Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Animal Lover (10 points)	have played with the dog three times.
Climber (10 points)	You have abseiled to the treasure chamber!
Discoverer (10 points)	You have found the entrance to the secret basement!
Explorer (10 points)	You have found the baroness' secret compartment.
Know-it-all (15 points)	You have found out all four animal symbols.
Master Detective (Episode 3) (25 points)	You've finished episode 3.
Walking Dead (10 points)	You have survived the explosion in the treasure chamber!
Witness (10 points)	You have witnessed Dr. Gebhardt's end.