wpegg: I don't believe they work in the latest patch. There are difficulty levels though, such that you shouldn't need the codes. Try just playing on easy.

If you need some tips then just let us know, however there's really no point in cheating in this game. You can try out any hero build you like through a custom game, and build a good hero easily if you just play on the easiest setting. Cheating seems redundant.

Masterfool: My only reason for cheating is pretty reasonable, I think:

When I am required to destroy all enemy buildings and units, but I can't find the few remaining stragglers, I don't want to spend several minutes trying to end the mission. Is there any way to fix this problem, then?