I had a look around and I found a few fonts that looks slightly like the Oddworld font but are all different.
This is the closest but it's a little bold:
http://www.dafont.com/font.php?file=...m&classt=alpha
EDIT: Actually I was a little pissed that I couldn't get it so I recreated the upper case characters using pictures on the interweb. I attached it here.