Piano Hero Fibonacci 5X5 - Sliding Number Block. Publisher: GuoDong Ren Genre: Trivia Released: 21 Jun, 2015 Size: 22.1 MB Price: FREE! Click here to request a review of this app App Store Info Description When playing the game, what you should do is just to merge the block in fibonacci order, like 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377 and so on. The game supports GameCenter and the score depends on how fast you can merge the block. What's New in Version 3.3.2 Fix Bug Screenshots Screenshot 1 of 6