Gun Upgrade Demo

Sep 1, 2017

Version 5.3
• backup/restore save (Android 4.4+)
• removed Google Game Services leaderboards and achievements
• progressive mode
• stats
• bug fixes and improvements

Version 5.2
• removed storage permission
• smaller file size
• other improvements

Version 5.1
• no internet permission
• removed ads
• smaller file size
• improved graphics
• enemy speed option in custom mode
• removed sharing buttons