Bandana
Finish the game collecting 30 dog tags. TANKER ONLY
Stealth
Get 60 for the Tanker and 120 for the Plant
Blue Wig
Get every dog tag, it gives you infinite oxygen
Orange Wig
Get 150 dog tags and it gives you infinite grip in the Plant
Brown Wig
Get 80 dog tags and it gives you infinte ammo in the Plant section only
Vulcan Raven Doll
shoot the vulcan raven doll and then he shoots pebbles from his gun
Stealth Trouble
Whil in stealth attack a guard when other guard are around. Sometimes he blames the other guard instead of calling for help
AK Suppressor
After defeating the harrier you will find this on the other side of the bridge. You have to put out the fire to get to it
Getting Rose Mad
If you kill a lot of birds or fight the hostages, Rose will dump you
Bug Explode
In an area with a lot of bugs, throw your grenade at them, and the camera have bug insides all over.
Hidden Mags
In Shell 1 Core B2, punch the doors off their hinges, and they will fall.