In the year 20XX, a cyber-terrorist group has struck out at the world by unleashing a computer virus through the internet with a sole purpose of hijacking the militaries of the world's nations. Join Marco, Fio, and new Metal Slug team members Trevor and Nadia to stop the distribution of the virus before it's too late. Features: * Simultaneous two-player action

* Six stunning stages filled with varied and deadly enemies

* The franchise's familure explosive action

* Four selectable characters, including two new recruits

* Extensive power-ups and over-the-top weapons

* Huge and breathtaking boss battles