try looking for the pulsar proper cd 2 fix because u will be able to use it with the 2 cd version 2 have now!
here is some details from the fix nfo -
様様様様様様 RELEASE INFORMATION 様様様様様様
It seems that only one cinematic was checked on Head Hunter CD2 and we
have ripped it off
lucky us
.
Because of that, the enduser was being unable to finish CD2.
Once this fix is applied on the disc, you will be able to fully enjoy
this amazing game.