Extra Weapons
There are five weapons that can not be used until you complete specific tasks. To use the "Goblin Mine," complete the Hong Kong level on the "Hard" difficulty setting. To get the "Golden Gun," complete the first Virtual Training mission in "Hard" mode, and complete the second Virtual Training mission in "Hard" mode to unlock the MK2 Detonator. The "Omen XR" weapon can be used once you successfully finish Mission 6 on the "Hard" difficulty setting, and you'll be able to use the "Venom 200ml" weapon once you defeat the Auric Enterprises mission in "Normal" mode.
Different Characters for Multiplayer Mode
There are seven different characters that you can use in multiplayer mode once you complete certain tasks. To unlock "OddJob," complete Mission 1 in a "Hard" campaign. For "Auric Goldfinger," finish Mission 2 in a "Hard" campaign, and for "Dr. No," complete Mission 5 in the "Hard" campaign. Three characters can be unlocked during a "Normal" campaign. "Francisco Scaramanga" is unlocked once you have beaten the first Virtual Training mission. Finish the fourth Virtual Training campaign to get "Pussy Galore," and complete Mission 4 to unlock "Xenia Onatopp."
Multiplayer Modes
There are two multiplayer modes that are not available when you first play the game. These can be unlocked when you play through a "Normal" campaign. If you want to use the game's "MRI Vision Only" mode in a multiplayer game, complete Mission 1. To use "GoldenEye" mode in a multiplayer game, successfully complete the sixth Virtual Training mission.
"You Only Live Once" Mode
"You Only Live Once" mode is a secret campaign mode that features one-shot kills. To use this mode, complete an entire campaign on the "Hard" difficulty setting. This new mode will be available when you return to the "Campaign Select" screen. Use this difficult mode to hone your skills.