Year Name Developer Machines
1986 Space Quest - The Sarien Encounter '
Adventure / Text, Not Classified, | 1P, ???, 		Sierra On-Line, Inc. apple2e ibm5170 a500 apple2gs
1987 Space Quest II - Vohaul's Revenge '
Adventure / Text, Not Classified, | 1P, ???, 		Sierra apple2e ibm5170 a500 apple2gs vgmplay
1989 Space Quest III - The Pirates of Pestulon '
Adventure / Text, Not Classified, | 1P, ???, 		Sierra ibm5170 a500
1991 Space Quest IV - Roger Wilco and the Time Rippers '
Adventure / Point and Click, Not Classified, | 1P, ???, 		Sierra ibm5170 a500 pc9821 vgmplay
1993 Space Quest V - The Next Mutation '
Adventure / Point and Click, Not Classified, | 1P, ???, 		Sierra ibm5170
1995 Space Quest VI - Roger Wilco in the Spinal Frontier '
Not Classified, | ???, 		Sierra On-Line, Inc. ibm5170