Metal Gear Solid 4 Extras
Warning: This section may contain spoilers
More updates will be added (if added) once they have been tested
Otacon Passwords
When Otacon asks you to enter a password to turn on his old labratory, you can enter these instead.
14893: 100,000 Drebin Points
Beauty Photo shoot
When you fight the second form of the BB, just don't kill her or let her hurt you. Just keep running around. Eventually, your screen will be black and white, and if you wait a little longer, you will see a white flash.
Next thing you know, you and the Beauty will be like, no where and there will be a timer counting down to her death (so if you wait for it to run out, she will die). On your iPod, if you play Oishii Two-Han Seikatsu, she will start dancing to the song. If you have the camera and equip it, she will start posing for you.
Easier Drebin Points
As you may know, collecting weapons is a good way to collect Drebin Points. How you get the weapons is another story.
Scoring a head shot on any soldier will get you 1,000 DB. Go to an area where there is a never-ending war going on between the Militia/Rebels and the PMC. Be creative on how you achieve your headshots. Sneak up behind them and hold them up, to let them drop their gun (still gets you 1,000 DB regardless of what you do next). Or you can stay back a distance and shoot multiple PMCs at a time.
Also, what weapon you collect determines your DB as well. Some weapons can range from 3,000 to 8,000.
Tuxedo
Complete the game once.
Corpse Camo
Die 51 times on one playthrough to get the Corpse Camo
Cheaper Drebin Prices
On Wednesdays and Sundays, you will be known that there are cheaper prices at Drebins shop. Once you are in Act 5, there is a discount of 50% everyday. If you want, you can change the date on your PS3 to get some discounts.