[iOS] Free: "Backfire" Backwards Shooter $0 @ Apple App Store

Install Backfire and your soul will be bound within the machine. Only total victory will release you— until then you will be damned.

Numerous foes will block your path, ancient demons will stand against you, and death will come, again and again. Only with skill and perseverance can you purify the curse and save yourself. YOU HAVE BEEN WARNED.

Featuring:

-Simple tap-to-turn controls.
-Brutally difficult gameplay.
-8 unique weapons.
-4 epic bosses.
-Dozens of ways to upgrade your ship.
-Hoards of monsters to kite and destroy.
-An ancient curse to purify.

AU Link