Cheats:

Wen you are in the mission type: hocus

Then use following commands:

++ = Win curent mission
++ = Lose curent mission
++ = Unblock all missions & all medals
++ = 100.000 Credits

Open your file "campaignprogress.xml" located in: "\sixteen tons entertainment\Emergency 3\Data\Save"

Then replace the file by this one: (if you didn't find it, just put this one...)

Click Here To Download The File (right click -> save as....)

Now save it, and done! You are on 100% completion of the game...