Metal gear solid 3 : snake eater

Metal gear solid 3

naked snake now known as big boss is sent in to rescue a man named socalov.

he then gets betrayed by his mentor the boss when she defects. he is stent on operation snake eater were he is sent to destroy the shago-hod a new metal gear prototype once he does this he ust escape Grozni-grad and fight the boss he defeat's the boss and he gets the title big boss.