Metal Gear Solid 4: Guns of the Patriots Although little is known, MGS4 is being touted as the final installment in the Metal Gear Solid series. Chameleon-like camouflage system, Octacamo, blends Snake into his surroundings. Loads of characters from previous Metal Gear Solid installments will return in this final chapter. Slated for simultaneous worldwide release in June 2008, Konami has released very few details about MGS4. Built for the PS3, the game is expected to be the finest representation of the console's graphics