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The Cave of Time CYOA #1
1979
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Journey Under the Sea CYOA #2
1977
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By Balloon to the Sahara CYOA #3
1979
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Space and Beyond CYOA #4
1980
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The Mystery of Chimney Rock CYOA #5
1980
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Your Code Name is Jonah CYOA #6
1980
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The Third Planet from Altair CYOA #7
1979
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Deadwood City CYOA #8
1978
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Who Killed Harlowe Thrombey? CYOA #9
1981
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The Lost Jewels of Nabooti CYOA #10
1981
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Mystery of the Maya CYOA #11
1981
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Inside UFO 54-40 CYOA #12
1982
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The Abominable Snowman CYOA #13
1982
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The Forbidden Castle CYOA #14
1982
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House of Danger CYOA #15
1982
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The Race Forever CYOA #17
1983
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Underground Kingdom CYOA #18
1983
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Escape CYOA #20
1983
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Hyperspace CYOA #21
1983
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Lost on the Amazon CYOA #24
1983
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Prisoner of the Ant People CYOA #25
1983
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The Phantom Submarine CYOA #26
1983
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The Horror of High Ridge CYOA #27
1983
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The Curse of Batterslea Hall CYOA #30
1984
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Vampire Express CYOA #31
1984
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Treasure Diver CYOA #32
1984
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The Dragon's Den CYOA #33
1984
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The Secret Treasure of Tibet CYOA #36
1984
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Supercomputer CYOA #39
1984
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The Throne of Zeus CYOA #40
1985
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The Mystery of Echo Lodge CYOA #42
1985
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Grand Canyon Odyssey CYOA #43
1985
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The Mystery of Ura Senke CYOA #44
1985
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You Are a Shark CYOA #45
1985
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Spy for George Washington CYOA #48
1985
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Return to the Cave of Time CYOA #50
1985
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Magic of the Unicorn CYOA #51
1985
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Ghost Hunter CYOA #52
1986
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The Case of the Silk King CYOA #53
1986
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Forest of Fear CYOA #54
1986
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The Enchanted Kingdom CYOA #56
1986
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Statue of Liberty Adventure CYOA #58
1986
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Terror Island CYOA #59
1986
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Vanished! CYOA #60
1986
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Sugarcane Island CYOA #62
1976
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Mystery of the Secret Room CYOA #63
1986
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Volcano CYOA #64
1987
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The Brilliant Dr. Wogan CYOA #72
1987
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Beyond the Great Wall CYOA #73
1987
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Planet of the Dragons CYOA #75
1988
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South Pole Sabotage CYOA #89
1989
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Through the Black Hole CYOA #97
1990
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Grave Robbers CYOA #103
1990
-
Fight for Freedom CYOA #107
1990
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Kidnapped CYOA #116
1991
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Showdown CYOA #127
1992
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The Luckiest Day of Your Life CYOA #132
1993
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The Circus CYOAY #1
1981
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The Haunted House CYOAY #2
1981
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Sunken Treasure CYOAY #3
1982
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Your Very Own Robot CYOAY #4
1982
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Gorga, The Space Monster CYOAY #5
1982
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The Green Slime CYOAY #6
1982
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Help! You're Shrinking CYOAY #7
1983
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Indian Trail CYOAY #8
1983
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Dream Trips CYOAY #9
1983
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Journey to the Year 3000 CYOSA #1
1987
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A New Hope CYOSWA #1
1998
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The Forces of Krill ZORK #1
1983
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The Malifestro Quest ZORK #2
1983
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The Cavern of Doom ZORK #3
1983
