A paramilitary syndicate known as the "Ptolemaic Army" attacks a research installation that was developing the next-gen of Metal Slugs and with this, they have successfully stolen a disc containing Metal Slug top-secret data. Fearing that such information be used for their evil purposes, the soldiers Marco, Tarma, Eri and Fio received orders to recover the disk and put a end in this syndicate.
The latest installment of the most famous arcade-shooting series brings a lot of changes: this...
