Unlockables - Complete each achievement to get the allotted gamerscore.

Complete discovery level 1 (10) Discover enough to complete discovery level 1.
Complete discovery level 10 (20) Discover enough to complete discovery level 10.
Complete discovery level 11 (30) Discover enough to complete discovery level 11.
Complete discovery level 12 (30) Discover enough to complete discovery level 12.
Complete discovery level 13 (50) Discover enough to complete discovery level 13.
Complete discovery level 2 (10) Discover enough to complete discovery level 2.
Complete discovery level 3 (10) Discover enough to complete discovery level 3.
Complete discovery level 4 (10) Discover enough to complete discovery level 4.
Complete discovery level 5 (20) Discover enough to complete discovery level 5.
Complete discovery level 6 (20) Discover enough to complete discovery level 6.
Complete discovery level 7 (20) Discover enough to complete discovery level 7.
Complete discovery level 8 (20) Discover enough to complete discovery level 8.
Complete discovery level 9 (20) Discover enough to complete discovery level 9.

DA 10 (10) Recruited 10 members of the DA.
DA Twenty (10) Recruited 20 members of the DA.

Finish on hardest difficulty (100) Finish the story on the hardest difficulty.
Finish the story (100) Finish the story.

Get to the Room of Requirement (30) Discover the Room of Requirement.

Go to Hogwarts (20) Complete the Grimmauld Place tutorials.

Magic 500 (10) Cast 500 successful spells.

Recruit Dumbledore's Army (100) Recruit Dumbledore's Army.

Unhinge Umbridge (100) Cause chaos in Umbridge's Hogwarts.

Walk the Platform (10) Covered 9 3/4 miles.
Win the Architecture Cup (10) Uncover all the hidden Hogwarts symbols.
Win the Characters Cup (10) Meet all characters in the game.
Win the Defence Cup (20) Cast all defensive spells in a single encounter.
Win the Exploding Snap Cup (20) Beat all Exploding Snap champions.
Win the Explorer Cup (10) Discover all known areas of Hogwarts.
Win the Friend of the Year Cup (20) Find Luna's lost belongings.
Win the Golden Gobstone Cup (20) Beat all Gobstones champions.
Win the Grand Master Cup (20) Beat all wizard chess champions.
Win the Homework Cup (10) Complete all the teacher mini-quests.
Win the House Ghost Cup (10) Find all the house ghosts of Hogwarts.
Win the Nature Trail Cup (10) Find all the rare creature tracks hidden in Hogwarts.
Win the Ornithology Cup (10) Find all the flying creatures of Hogwarts.
Win the Portrait Password Cup (10) Discover the password for every shortcut portrait in Hogwarts.
Win the School Pride Cup (10) Tidy up Hogwarts.
Win the Secret Statue Cup (10) Find the secret chess statues of Hogwarts.
Win the Smuggler Cup (10) Find Fred and George's hidden parcels.
Win the Studious Success Cup (20) Got an 'O' in all lessons.
Win the Witches and Wizards Cup (10) Find the hidden wizard plaques around Hogwarts.