Experience the King of Shooting Games, the arcade hit that captured the hearts of legions of fans and took the world by storm! Use your cannon to defend Earth from waves of descending alien Invaders!
All the features you remember have been faithfully recreated: the elusive UFOs, the "Nagoya Attack" technique, and the endless game play!
This edition features three control methods optimized for the iPhone and iPad, four screen modes, and bonus extras including rare material from the original game's development!