More:Enter The Matrix: Hints: Items

From GameWinners

Contents 1 Agent gun 2 Flashlight 3 Powerade

Agent gun

If you kill an agent, take his gun (the .50 AE). It is the most powerful handheld gun in the game. It will kill most normal enemies with one shot.

Flashlight

You may have trouble grabbing the flashlight, which is actually a MP5 icon. To get it, take out your MP5 and waste its ammunition so that the gun is no longer in the inventory. The same goes for MP5 pistols. Once this is done, you can pick up the flashlight/MP5. Equip it to turn on the flashlight.

Powerade

Approach a Powerade vending machine and press [Action] near the buttons on the machine. A Powerade will pop out.
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In the Nuclear Plant level where you get the UMP, look at the wall just before you go up to the tower to find a Powerade vending machine.

If you have low health and are in trouble, go to a Powerade machine. Press [Action] and a Powerade will pop out of the machine. Run on top of it, and if done correctly it will fill up your health.