Agent Difficulty Cheats
When playing the game on "Agent" difficulty, you must complete the "King's Ransom" level in under 2 minutes, 20 seconds to unlock the Team King of Hill multiplayer scenario. Likewise, finish "Underground Uprising" under 2:15 for the forest level, "Midnight Departure" under 3:05 for soldier skins ,"Masquerade" under 3:15 for the "Sky Rail" level and "City of Walkways 1" under 3:35 for civilian skins. Completing the "Meltdown" level, on any time, gives you contemporary villain skins.
Secret Agent Cheats
In similar fashion, complete the "Courier" level under 2 minutes on "Secret Agent" difficulty for suit skins. Go through "King's Ransom" under 3:45 for security guard skins, "Cold Reception" under 3:15 for the "Air Raid" level, "City of Walkways 1" under 3:50 for covert skins, "Turncoat" under 3:20 for the "Capture The Briefcase" multiplayer scenario and "Fallen Angel" under 2:45 for gadget war weapons. Finish "Meltdown" under no time limit to get classic villain skins.
00 Agent Cheats
Things get harder on this difficulty level, but the rewards also are more impressive. Finish "Thames Chase" under 4:25 for exotic weapons, "Cold Reception" under 3:05 for exotic skins, "Night Watch" under 2:20 for the "Castle" level, "Masquerade" under 4:20 for scientist skins and the "A Sinking Feeling" level under 2:55 for navy skins. Just finish "Underground Uprising" for skeleton skins and the last level, "Meltdown," for the "Build the Golden Gun" multiplayer scenario.
Cheat Devices
If you have a cheat device for the Nintendo 64, such as Action Replay, Datel's Equalizer or GameShark, you can instantly gain access to all of the aforementioned cheats. In addition, you can choose to go solo in multiplayer, be invincible and have unlimited ammunition, or select any level you want to play from the first time you run the game. Users of the Project64 emulator can access these options by pressing Ctrl + C at any time.