** Samsung Galaxy S2 Issues: If the game is randomly crashing for you, please play with the sound off from the options screen. I''m working to find a solution.
** This version is ad supported
** Pro version also available
** News, FAQ and Hi Scores at:
** SALE: To celebrate the release of Spira 2, all my X Defence Pro games are discounted!
** Notice: If you have a Samsung Galaxy S4, please ensure that you are running at least Android version 4.4.2 to avoid slow down issues