OK,I beat the game the SECOND time and got all the treasues.I also did'nt use the Indy's supply store and kept my dif. level at Dr. Jones.I beat the last level and automaticlly got the Peru level.Now I got 222 health kits and over 30 medicine kits...
But how do I know for SURE that I got the 1000 IQ?

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Hey,I'm always right!

In my case there was no difference between
the 1st, the 2nd and even the 3rd time I
actually played it through. I was a bit
disappointed because I felt that I really
deserved some kind of special congratulations
(I did it all without any cheats and
found all out myself). But - nothing! Even
if I hit ESC immediately before the last
whip in Peru I didn't have 1000 IQ, and after
that I couldn't have a look at my account.

By the way, I think it's better to return to
Peru before the Infernal Machine level, since
then you would have this huge amount of ammo
and health/medicine kits in Aetherium - where
you really need them. This seems worth the
$2500, what do you think?