From Russia With Love cheats and cheat codes for Gamecube

Unlock Covert suit:
In the room with the final bomb on the Station T level, go to the big safe and a
covert suit will be lying on top

Unlock Snow suit:
When you are playing on factory level, after you have finished on the jetpack,
open the boxes by the door

Unlock Bond's Dinner Jacket:
Playing in the second part of Hedgemaze mission. Get Bond's Dinner Jacket
from Q's.

Unlock extra missions
Reach the indicated number of awards:
Unlock Tunnel: 10 awards
Unlock Ruins: 25 awards
Unlock Plaza: 40 awards
Unlock Airport: 60 awards