What is the hidden achievement that I'm missing for LEGO Harry Potter Years 1-4 iOS?
Solution 1:
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:
- "Quiet, please", which solution can be found here
- Avoiding the prefects on year 3, as in holly's very similar topic here
In both cases, all achievements were listed and described on supercheat