CheatCodes.com has all the official Covert Ops: Nuclear Dawn PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday June 19, 2013 for Covert Ops: Nuclear Dawn are shown below.
The card for the door on car 10 2nd floor is gold and is in the frezer of kitchen on car 11.
Your actions will affect the ending (or route) you take throughout the game. There are a total of seven different possible endings, with one being the grand ending. The best ending you can achieve is Scenario A Paris, France.
In Car 2, diffuse the three bombs using your microfilm picture files. After this is done, go back towards the beginning of Car 2 and climb the ladder. Go through the next door, across the heater bridge, kill the guard, and you should be at another ladder -- this is Car 1. Use the save box at the beginning of Car 1. You will then pick up the assault rifle, grenade launcher add-on, and grenade ammo (you need to make space to get this items -- dispose of your guns, but keep the cigarette case, life kits, and the disc). Go up the stairs and a control panel will appear. Read the memo in the control panel. Go to the left side of the control panel and turn the switch to detach Car 1 from the rest (this must be done to achieve Scenario A). Combine your rifle and grenade add-on to form a grenade launcher and head outside. There is a bomb in the front of the car. Memorize your cigarette case poem and diffuse the bomb. Mason will cut you off in his helicopter. Pull out your grenade launcher and shoot him until he is defeated.
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