Deus Ex: Invisible War Cheats
Thief 3 preview
After finishing the game you will unlock a preview of Thief 3 in the "Extras" option.
Take out weapon on ladder
When you climb a ladder, you will automatically put away your weapon. Press B to take it out while still on the ladder.
Find the mutant and get a sample before bartering with the Omar in Seattle to get a 50% discount and a free Black Market Biocanister. It is in the basement of Club Vox in Upper Seattle.
You can use the alternate fire of the proximity mines to set a timer. This is also useful for blowing up beams and turrets that are not triggered regularly.
Shoot cylinders that contain toxic gas to fill a the room and kill anyone within the blast radius. Also, if you have the strength modification you can pick up these cylinders and throw them into a desired room. This is a good way to kill guards without being seen.
Go to the underground UNATCO ruins on Liberty Island. Take the U.N. flag from near the beginning of the ruins and find your way to to James Manderley's office from the first Deus Ex. Hold the flag while flushing the toilet inside the bathroom to play the programmer's party mission.
This is a knife that does excellent damage and stuns your opponents with the first hit. In Upper Seattle within the Emerald Suites building, you can find the Toxin Blade. It is in the apartment next to Dr. Nassif's under the pillow on the bed. There is one hostile in the apartment.
Use explosive crates whenever you can to blow up cameras, beams, turrets and almost anything else that gets in your way.
When in any area, check dumpsters and look behind small boxes or items for multitools, food, guns, ammo, etc.
Dragon Tooth Sword
This is an energy sword that hurts very much. Go inside JC's sanctuary. It is on top of a bookshelf when you enter the first remembered area (Maggie Chow's apartment, Hong Kong, from the first game).