Press F2 and enter these cheats to receive item:

• Med Kit: echeloningredient.emedkit
• Airfoil Round: echeloningredient.eringairfoilround
• Camera Jam: echeloningredient.ecamerajammer
• Chemical Flare: echeloningredient.echemflare
• Disposable Pick: echeloningredient.edisposablepick
• Diversion Camera: echeloningredient.ediversioncamera
• F2000: echeloningredient.ef2000
• Flare: echeloningredient.eflare
• FN7: echeloningredient.efn7
• Laser Mic: echeloningredient.elasermic
• Lock Pick: echeloningredient.elockpick
• Smoke Grenade: echeloningredient.esmokegrenade
• Sticky Camera: echeloningredient.estickycamera
• Sticky Shocker: echeloningredient.estickyshocker
• Thermal Goggles: echeloningredient.ethermalgoggle
• Thermal Mine echeloningredient.ethermalmine
• Wall Mine: echeloningredient.ewallmine
• Rappelling Object: echeloningredient.erappellingobject

In the game hit tab to enter codes, in Version 1.1 hit F2 to enter codes:

• FLY - to float around
• AMMO - more ammo
• HEALTH - more health
• INVISIBLE 1 - be inviisible
• INVISIBLE 0 - turn off invisibility
• WALK: Disable no clipping
• GHOST: No Clipping
• PLAYERSONLY: Freeze Enemies
• PLAYERSONLY 0: Unfreeze enemies
• KILLPAWNS: No Enemies
• MISSION WIN: Instantly Win Level
• PREFERENCES: Change settings
• STEALTH: Change Stealth Stats