Complex sentence: Another feature that made the game different was non-hostile'informant' scientists who would provide information and amunition when spoken to-however not all scientists were informants, and many would attack Blake and call guards.
Split into simpler sentences: Another feature that made the game different was non-hostile'informant' scientists who would provide information and ammunition when spoken to. However, not all scientists were informants, and many would attack Blake and call guards.