Type one of the following as your company name in the 'Configure Company' menu for the specified effect:

• COOPER TEAM
  Select any country, $100 million, all mods and equipment have been researched, each agent has pursuadertron, 2 mini-guns, 1 time bomb, 2 energy shields, 2 lazers and all modifications as V3
• DO IT AGAIN
  Press CTRL-C to complete the mission
• NEARLY THERE
  Completes all missions except for the first
• NUK THEM
  Select any country
• ROB A BANK
  Gain $100 million dollars
• TO THE TOP
  Select any country and gain $100 million
• WATCH THE CLOCK
  Speeds up the clock

The above cheats also work with the PC/Amiga version with the exception of the last one which was added by R-Comp because they wanted to hear the music in the last level in context!