You have to start a new game w - X-COM: Interceptor
You have to start a new game when you have named your base hold down ctrl+e and a beep will comfirm that the cheat pannel is ready.
You can't see the pannel but it's there, here are the cheats if when you start writting a bleeping sound keeps bleeping when you press a key isn't because you haven't held down ctrl and e long enough.
Do it again when it dosen't bleep when you start writting in the cheat is't working here are the cheats.
canttouchthis: will give you invunerbilite a box will come up on the screen and say invunerbilite is on.
fillerup: will give you unlimited fuel so you can chase after bad guys for as long as you want a box will come up and say unlimited fuel surplie.
knowitall: will give you all you need to know about the system and it will also tell you where the entrance to the bad guys secret base is a box will come up and say you know it all or something like that.
quickbase:will complete buliding a base if you have started buliding one it will not however complete buliding all models a box will come up on the screen and say base whatever built then you can name your base and put models on it.
payday:is the second most usefull cheat in the game the best cheat is invunerbility which I have already told you about, anyway payday will give you money and lots of it I would do this cheat sevrel times to get you lots and lots of money.