Diperbarui pada Oct 12, 2015
2.2.7 Fixed crash problem on older devices.
2.0 Look and feel has been updated. Cost of weapons and upgrades was decreased. Double the power up when all four weapons powered up.
1.95 Vibrates when hit.
1.8.8 Now, the standard gun will fire full auto while you hold fire button.
1.8.7 Cloaking now makes you undetectable.
1.8.6 Added ability to pull account off of server so that you can use multiple devices.
1.8.1 Added a complete award system for powering up weapons and defenses.
