- android.permission.INTERNET
- android.permission.WAKE_LOCK
- android.permission.ACCESS_NETWORK_STATE
- android.permission.RECEIVE_BOOT_COMPLETED
- com.android.vending.BILLING
Jul 19, 2021
- Added a new extra difficult level with 15 waves
- Crystals will now be stored between the levels, unused crystals can be used in the next level
- Slightly reduced difficulty of level 1
- Minor changes to the User Interface