InMetal Slug 4you'll take the battle to the air, sea and land as you once again battle Morden's forces. In the year 20XX, a cyber-terrorist group has struck out at the world by unleashing a computer virus to hijack the world's militaries. You'll fight to stop the distribution of the virus before it's too late. Then move on toMetal Slug 5,where the secrets of next-generation Metal Slug technology have been stolen. Lead your team into the "Corridor Of Fire" to recover the secrets and destroy the paramilitary syndicate known as the Ptolemaic Army.