I beat it first on hardcore lol, I ate lots of shit. But then it was back to the stimpack diet for me. I'm ashamed to admit this, but I've beaten the game 26 times haha. But you can beat them game and load it back if you want to see how it ends. If your not satisified with the ending, you can load it back and beat it for whoever you want lol. I hope the last DLC does let you play past the final mission though. If not I'd be insanely pissed