The only games I ever used cheats on were games where I wanted to experience the story of the game but found it to be prohibitively difficult to get through (Silver Surfer for NES and Einhänder for PlayStation are two that come to mind—I used a Game Genie and Game Shark respectively). One game where it was the opposite was Grand Theft Auto 3 (and Vice City). I have never actually played the storylines of those games. I just really enjoyed pulling rampages and wandering around. So I’d employ cheats to do that.