There is no guide for this game yet. But apparently it is EASY POINTS! 

Go to Hogwarts - 20 points

Complete the Grimmauld Place tutorials.

 

Get to the Room of Requirement - 30 points

Discover the Room of Requirement.

 

Recruit Dumbledore's Army - 100 points

Recruit Dumbledore's Army.

 

Unhinge Umbridge - 100 points

Cause chaos in Umbridge's Hogwarts.

 

Finish the story - 100 points

Finish the story.

 

Win the Characters Cup - 10 points

Meet all characters in the game.

 

Win the Explorer Cup - 10 points

Discover all known areas of Hogwarts.

 

Win the Defence Cup - 20 points

Cast all defensive spells in a single encounter.

 

Complete discovery level 1 - 10 points

Discover enough to complete discovery level 1.

 

Complete discovery level 2 - 10 points

Discover enough to complete discovery level 2.

 

Complete discovery level 3 - 10 points

Discover enough to complete discovery level 3.

 

Complete discovery level 4 - 10 points

Discover enough to complete discovery level 4.

 

Complete discovery level 5 - 20 points

Discover enough to complete discovery level 5.

 

Complete discovery level 6 - 20 points

Discover enough to complete discovery level 6.

 

Complete discovery level 7 - 20 points

Discover enough to complete discovery level 7.

 

Complete discovery level 8 - 20 points

Discover enough to complete discovery level 8.

 

Complete discovery level 9 - 20 points

Discover enough to complete discovery level 9.

 

Complete discovery level 10 - 20 points

Discover enough to complete discovery level 10.

 

Complete discovery level 11 - 30 points

Discover enough to complete discovery level 11.

 

Complete discovery level 12 - 30 points

Discover enough to complete discovery level 12.

 

Complete discovery level 13 - 50 points

Discover enough to complete discovery level 13.

 

Win the Portrait Password Cup - 10 points

Discover the password for every shortcut portrait in Hogwarts.

 

Win the House Ghost Cup - 10 points

Find all the house ghosts of Hogwarts.

 

Win the Ornithology Cup - 10 points

Find all the flying creatures of Hogwarts.

 

Win the Homework Cup - 10 points

Complete all the teacher mini-quests.

 

Win the Grand Master Cup - 20 points

Beat all wizard chess champions.

 

Win the Exploding Snap Cup - 20 points

Beat all Exploding Snap champions.

 

Win the Golden Gobstone Cup - 20 points

Beat all Gobstones champions.

 

Win the Friend of the Year Cup - 20 points

Find Luna's lost belongings.

 

Win the Architecture Cup - 10 points

Uncover all the hidden Hogwarts symbols.

 

Win the Smuggler Cup - 10 points

Find Fred and George's hidden parcels.

 

Win the Secret Statue Cup - 10 points

Find the secret chess statues of Hogwarts.

 

Win the Witches and Wizards Cup - 10 points

Find the hidden wizard plaques around Hogwarts.

 

Win the Nature Trail Cup - 10 points

Find all the rare creature tracks hidden in Hogwarts.

 

Win the School Pride Cup - 10 points

Tidy up Hogwarts.

 

Finish on hardest difficulty - 100 points

Finish the story on the hardest difficulty.

 

Secret Achievements

 

Win the Studious Success Cup - 20 points

Got an 'O' in all lessons.

 

Magic 500 - 10 points

Cast 500 successful spells.

 

Walk the Platform - 10 points

Covered 9 3/4 miles.

 

DA Ten - 10 points

Recruited 10 members of the DA.

 

DA Twenty - 10 points

Recruited 20 members of the DA.