Aug 27, 2015 - British Indie developer, Cubi today announces Jumbl: Word Challenge 1.0.2 an update to their popular word puzzle game developed for iOS devices. This game is addictive! Based on a classic concept, Jumbl is essentially a letter swapping game with a unique twist. There are 70 letters on a 10 by 7 board. Letters have to be swapped to uncover hidden words but the twist is that all occurrences of a particular letter are swapped at the same time.