I'm having trouble working out how to complete the achievement list on my LEGO Harry Potter game iOS. I've got all achievements except for one but it's a hidden achievement; so I'm unable to work out what it is, and how to finish it.

The achievements I've completed are called:

  • Junior
  • Senior
  • Prefect
  • Head Boy
  • Teacher's Pet
  • Story Complete!
  • Hat Collector
  • Hat Fanatic
  • Ultra Collector
  • Ultimate Collector
  • Supreme Collector
  • Power Up!
  • Stud Magnet
  • You're the Best
  • Dark Wizards
  • Quidditch Team
  • Back in Time
  • Wonderful Weasleys
  • Quirrell Quandary
  • Multiplier
  • Arachnophobe
  • Animagus
  • Defeating the Object
  • Voldemort's Defeat
  • Quick Quidditch
  • Cultured
  • A People Person
  • Troll Perfected
  • Basilisk Perfected
  • Whomping Willow Perfected
  • Dragon Perfected
  • You Can't See Me!
  • Billionaire's Club

Does anyone know what the final achievement is and how to earn it?


There looks to be two hidden achievements out of 34 total. You've already completed one as 33/34 achievements are listed above, so your remaining challenge will be either:

In both cases, all achievements were listed and described on supercheat

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