nope... but after i finish the game then i start to look for a cheat to see if i miss something in the game.
Mostly on Starcraft when I'm against a CPU I choose protoss then activate some cheat to get the archon mind control ability so that I can have three race then I'll remove all the cheat after that.
Usually I only use cheats when I get really bored with the game and have completed all the quest and possibilities. We all know that once you use it, there's no way it could ever be fun anymore...