I ran into a weird bug with the graphics settings affecting jumping. On very low when I played the jump button would work intermittently, between every other and about every 4th button press, but on ultra it works fine.
That's strange and I can't seem to reproduce it.
What platform were you playing on?
windows specifically windows 7 service pack 1
I managed to reproduce it and found the cause.
It's patched now.
cool
