Dan Diamond is Lost in Space

Dan Diamond is Lost in Space is a text adventure, and the 2nd part of the Dan Diamond trilogy for multiple systems.

After surviving Franklin's Tomb, Private Investigator Dan Diamond has found himself lost in space aboard an alien vessel. Dan Diamond must escape from the derelict ship filled with chatty doors and bored security robots. The player must find 3 security discs to unlock 3 security doors, and ultimately reach the control center of the ship to force a landing.

All commands are via VERB NOUN entry, and there is a save/restore feature.