I could probably find the answer if I went deeper in the forums but I don't want to have anything spoiled for me at this point so I am playing it safe. The achievements for an example say Level 8 with Good Karma Neutral or evil.... do you really play the game three times to get all of these or am I missing a way to play the game?

Before you level up save. Then get your karma to be good, evil, neutral. Easy achievement.

Nah dawg, you gotta play through the game THREE TIMES. 
 
No really, you have to. At least I think so.

What the guys said.
I wouldn't want to play a game again to go down a different path I earlier willingly avoided. I wanted to be good, not neutral or bad, so I did the little "trick" described above
(though it isn't really one).

Hrrm, I started off evil....so I guess I might of screwed myself? You know what I"ll just play through twice since Evil and Good seem to have different "story" and I can just go back with my "Good saves" and get neut