challenge puzzle 76 is a challenging word puzzle app that combines certain action and strategy elements from other types of word and puzzle games. The object is to form a word of specified length at the top of the screen by adding letter tiles in succession to each of the empty spaces. The letter tiles are added by forming words by swiping over letter boxes on the screen - if a word is formed then the spaces will disappear, freeing up space and keeping pieces from reaching the top. Any boxed letters in the in the formed word will transfer to the letter boxes at the top of the screen.. If all the boxes are filled and the spelled word matches the word category, then the player advances to the next level. But watch out - rows of letters are added periodically and of the level of of the rows reaches the top, the came is over. The player must simultaneously eliminate the rows of letters to keep them from building up and also try to form a word at the top of the screen, which presents a challenging, fun, engaging game play experience.