Sango is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Sango: Put your brain to the test! Create as many words as possible on a time-locking grid in this strategic word game! Swap letters two at a time to form words of any length. Think laterally; once a letter has been moved it becomes "locked" in place three moves later. You'll need a sharp strategy and vocabulary to make a dent in this one. What are you waiting for? San-go! you can download Sango free now.