X-COM: Interceptor

10,000,000 Credits 
------------------
While playing press Ctrl-E twice 
(you should hear a beep) then type 
PAYDAY. 

All Research 
------------
Press Ctrl-E twice then type KNOWITALL. 

Enable In-Flight Cheats 
-----------------------
Press Ctrl-E twice then type BATTLECHEAT. 

Finish All Bases Under Construction 
-----------------------------------
Press Ctrl-E twice then type in QUICKBASE 
for all the bases to be completed. 

Invincibility 
-------------
Press Ctrl-E twice then type CANTTOUCHTHIS. 

Unlimited Flight Range 
----------------------
Press Ctrl-E twice then type FILLERUP for 
unlimited flight range.