In the end, to our surprised, liquid reveal himself by tearing of the face mask, he appears to be t-888 from the future.
Snake too revealed himself, he tore his octacamo and the word S appears, he appears to be Superman. They fought and in the end, their fight accidently kill Hideo Kojima , a bullet when through his skull, sunny screamed coz she to afraid. Her anger caused her to change to Super Saiyan Sunny. Sunny does't know who's good or bad, she joined in the battle and clearly T888 could not handle the fight, he launched the skynet system and skynet released all the Nukes to their location which kills everyone, accept Raiden, Raiden was reading Playboy back @ Moscow, he did not know what happen, when he came to know what happen, the world is polluted with radioactive wave and crawling with Terminators.

Raiden changed his name to John Conner and lead mankind to victory.. story continues on Terminator 4.

ACT 4, Liquid use the Outer Haven the ramp into snake, raiden came out of nowhere and prevent the outer haven from ramming into Snake

Liquid was defeated with only a few punches, meryl married Johnny, Sunny met a new fren, everyone was together but not Snake, he went to the grave to find Big Boss and the person behind all this conflicts.. after that credits, some funny conversation btw ocatacon and snake

@ the main screen , go to the extras, password type: 4554013 to unlock a special content

snake walks and run but doesn't know how to glide across the ground

Make it to the highest point @ the start of ACT 5 in 3 minutes, defeat the enemy there and she will drop a Playgal magazine, the only 1, u can use it to lure the female enemies or use it to lure any of the bosses in the game. Any shot after luring the bosses is a 1 hit kill

Complete the game without hurting anybody in 3 hrs on Big Boss Level , without any means of attacking (grab,sleeper hold, firing any gun, any actions that considered aggressive and dangerous) and u will unlock a secret emblem, "Cheater"