Overrun and OverKill enemies with the Legendary Roar of Thunder!

The series that changed the history of arcade shoot’em ups is back with the crazed action of OverKill mode! Master a variety of new weapons as swarms of enemy fighters try and put you down. 
 
Everything from fan favorites, such as the Spread Shot and Vulcan Laser, will be available, as well as new weapons and items! Instill fear in your enemies with devastating attacks and earn the acclaimed title of Master Ace! 

* OverKill Mode : a brand-new mode with new mission stages and a revamped scoring system!

* Additional Mode : Variation of Arcade Mode with 2 new stages.

* Score Attack Mode : High Score Mode for all stages including those from Overkill Mode.

* Arcade Mode : Arcade Mode that recreates the arcade experience with two difficulties: Light and Original.

* World Rankings : Ranking mode that will place you among px-layers from all over the world in Overkill Mode, Additional Mode, and Arcade Mode.

* Reply & Gallery : Watch Reply data and view items in the Gallery

* ??? : A secret mode playable once you clear the game.