What's new in 1.6:
* Multiplayer support over wifi and bluetooth for 3rd and 4th generation devices. (When playing over bluetooth, no more than 2 players are recommended.)
* Reticles are drawn around distant objects to make them easier to locate.
* The "radar" button has been removed, and replaced by a "view" button, which toggles between 1st and 3rd person cameras.
* Users of 1st and 2nd generation devices should find gameplay to be easier than in previous versions.
* Numerous other graphics and performance tweaks.
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