PSP: Metal Slug XX Rent a Girlfriend the objective soon becomes clear:

the objective soon becomes clear: the aliens plan to harvest all non-radioactive carbon from planet Earth (thus the title C-12)

in the ring or inside the steel cage

With a series of missions set in stunning Arthurian-inspired locations

all losses are permanent

PSP: Metal Slug XX Rent a Girlfriend the objective soon becomes clear:Metal Slug XX is an entry in the long running series of side scrolling shooters. It is a revised version of Metal Slug 7. The Peregrine Falcons, Marco, Eri, Clark, Tarma, Fio and Ralf, are once again running and gunning in colorfully hand drawn levels, throwing grenades, driving vehicles and slashing enemies. Metal Slug XX includes various single player features in the form of a Combat School that lets players return to previously completed missions