Press “~” to access the console. Make sure you have entered “con_restricted=0” command first.Then use this command to get any item.

i_giveitem [ITEM]

Replace [ITEM] with any of these weapons to get them:

AssaultScope
AVMine
C4
Claymore
DSG1
FlashbangGrenade
FragGrenade
FY71
GaussRifle
GrenadeLauncher
Hurricane
LAMRifle
LAW
SCAR
Shotgun
SMG
SmokeGrenade
SniperScope
SOCOM
TACGun

More Crysis 2 – PC Cheat Codes here