There was a game i loved i first played it about in 2009 or 2010 the game was in 2d there was a book where u needed to find crystals for it u could do it by doing tasks and a fairy would help you there was 2 tasks i remember the 1 was that i needed to find certain items in a place the 2 was that i needed to combine gems to unleash water more so it could reach the finish.
PS. It was on windows