Metal Gear Solid 2: Sons of Liberty

Codec Trick:
Press R1 or R2, while someone is talking to you through
the codec, you'll hear what your player is thinking.

In the plant:
In the parcel room (strut E), climb onto the counter top
by the conyeror belt, and use your boxes to get around
the plant. Different boxes take you to different places.
Box 1: Strut C
Box 2: Strut B
Box 3: Strut A
Box 4: Strut F
Box 5: Strut E

Increase grip strength:
Press L2 + R2 100 times when hanging on a ledge to do pull-ups.

 