When battling with ray press r1 when next to him to use cqc this is usefiul for trinage attacks or when reloading a weapon and you can also sellect two other weapons by pressing r2

To unlock the Solar Gun you must collect all five Dolls,here are the locations.

Frog Doll
Middle East:Stage1
After you met with your informance,use your Mk.2Pistol only and shoot all the Frog Soldiers.At the end look around in the Advent Palace Garage and you Should find it.

Octopus Doll
South America:Stage2
When Fighting Laughing Octopus go look around in the upper right room.If it's not there than keep fighting till you get Octopus in human form.Then go back to the room right below it and it should be on a bed.

Raven Doll
Europe:Stage3
Keep fighting untill you get Raging Raven to the human form,then run all the way to the top floor.Look around it should be there.

Wolf Doll
Shadow Moses:Stage4
Get Crying Wolf to the human form and look right behind you.It should be there.

Matis Doll
Outer Haven:Stage5
When Screaming Mantis is in human form go look at your map.Find the northen door and you will see it.

If you want the Drebin face camo go to the 'Extras' menu and enter the password dntkkhktmm at the passwords menu.

The code for the M1911 has been revealed! It is 1aytmmymhk (use lowercase letters) The M1911 is the gun used by Naked Snake in MGS3. It's superior to the Operator and uses the same ammo. Unlocking the M1911 will also unlock M1911 suppressors for purchase from Drebin.

This Soviet bolt-action sniper rifle becomes avaialable when you enter the password 'mnsoymsyhnto' at the 'Extras' menu

Enter 'mekakorkkk' as a password at the 'Extras' menu.

All you need to do is have 41 continues or more by the end of one game. The corpse camo can fool Geckos or soldiers into thinking your dead when you play dead.

If you play the ipod song that makes the beauty and the beast units dance(its some japanese song that starts with an O)and pause the game, look to the bottom left part of the screen where it shows a room in the nomad and sunny should be dancing.