▁used ▁at ▁a ▁later ▁point ▁in ▁time . ▁It ▁also ▁introduced ▁dialog ▁trees ▁to ▁the ▁series . ▁Con vers ations ▁feature ▁voice ▁and ▁small ▁video ▁cli ps , ▁elements ▁that ▁were ▁greatly ▁expanded ▁in ▁later ▁games ▁in ▁the ▁series . ▁The ▁game ▁is ▁notable ▁for ▁its ▁increased ▁use ▁of ▁digit ized ▁human ▁voices ▁and ▁digital ▁" video " ▁of ▁human ▁actors , ▁play able ▁even ▁through ▁a ▁PC ' s ▁internal ▁speaker . ▁ ▁Re ception ▁Dragon ▁gave ▁the ▁game ▁ 3 ▁out ▁of ▁ 5 ▁stars . ▁Computer ▁G aming ▁World ▁in ▁ 1 9 9 2 ▁pra ised ▁the ▁audio ▁and ▁digit ized ▁animation , ▁and ▁concluded ▁that ▁" Mart ian ▁Mem or and um ▁produces ▁hours ▁of ▁enjoy ment ▁[ and ] ▁provides ▁a ▁trem end ous ▁challenge ". ▁That ▁year ▁the ▁magazine ▁named ▁it ▁one ▁of ▁the ▁year ' s ▁top ▁four ▁advent ure ▁games . ▁ ▁References ▁ ▁External ▁links ▁ ▁Mart ian ▁Mem or and um ▁at ▁M oby G ames ▁ ▁Category : 1 9 9 1 ▁video ▁games ▁Category : Ad vent ure ▁games ▁Category : D OS ▁games ▁Category : Linux ▁games ▁Category : Mac OS ▁games ▁Category : Ne o - no ir ▁video ▁games ▁Category : Tex ▁Mur phy ▁Category : Video ▁games ▁developed ▁in ▁the ▁United ▁States ▁Category : Video ▁games ▁with ▁digit ized ▁spr ites ▁Category : Video ▁games ▁set ▁in ▁the ▁ 2 0 3 0 s ▁Category : Video ▁games ▁set ▁on ▁Mars ▁Category : G ames ▁commer