How to get 2X Grenade Launchers......
Stage: Surface 1
Difficulty: Secret Agent
Time: 3:30

Follow the path until you come across two cabins. Kill the Siberian Gaurd
behind the explosive barrels and head up the hill on the right. Keep going
straight, you will see a cabin on your left but you don't need to go in
there so just keep going forward after a while you will see another cabin,
go in this one and kill the man in the yellow suit, he has a key. (You must
kill this man fast because there is a gaurd on the left). Now pick up the
key and head back out. Once your outside turn right and head back to the
set of cabins you first seen. Go in the cabin on the right and pick up the
safe key on the table. Head out and follow the path on the left, now you
will start to see a Satelite Dish, so head in, run quickly up the stairs
and go in the second door, not the one on your right. Open this door and go
up against the computer, push B and this will power down the dish. Head
back outside and turn left follow this path until you come across another
set of cabins. Go in the one on the left and open the safe, pick up the
plans and get the hell out of there. Now turn right at the gates and follow
the path back to the Satelite. Now starting at the Satelite's doors run
straight until there are no more tree's on the left, turn this way and head
to the ventilations tower. Go up the ladder and then shoot the locks off of
the cage, jump in and you should have some explosive weapons in your cheat
options.