| Crusade, The ©1991 Inland International Software Adventure RPG
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| Crusher ©1991 Soleau Software, Inc. Action Strategy
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| Crux ©1991 Bob Lancaster Strategy
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| Crypto Quips & Quotes ©1991 Tom Gough Strategy
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| Crystal Caves Vol. 1- Troubles with Twibbles ©1991 Apogee Software, Ltd. Action
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| Crystal Caves Vol. 2- Slugging It Out ©1991 Apogee Software, Ltd. Action
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| Crystal Caves Vol. 3- Milo Versus The Supernova ©1991 Apogee Software, Ltd. Action
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| Cubulus ©1991 Software 2000 Strategy
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| Cyberbox ©1991 Doug Beeferman Strategy
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| Cybot ©1991 Ed T. Toton III Action
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| D-Generation (EGA) ©1991 Mindscape, Inc. Action Adventure Strategy
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| Dad's Choice ©1991 Motes Educational Software Educational
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| Daloman Depths ©1991 Lloyd Pique Action Adventure
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| Dangerous Dave in the Haunted Mansion ©1991 Softdisk Publishing Action
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| Dark Ages- Volume 1 - Prince of Destiny ©1991 Apogee Software, Ltd. Action
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| Dark Ages- Volume 3 - Dungeons of Doom ©1991 Apogee Software, Ltd. Action
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| Dark Designs II- Closing the Gate ©1991 Softdisk Publishing RPG
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| Wide World of Sports Boxing ©1991 ABC Sports Sports
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| Darnit ©1991 BSX International Strategy Cards
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| Darts ©1991 Scott Semon Action
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| Das Erbe ©1991 Bundesministerium fur Umwelt, Naturschutz und Reaktorsicherheit Adventure Educational
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| Dash (demo) ©1991 Waher Data AB Action Strategy
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| David Leadbetter's Greens ©1991 MicroProse Software, Inc. Sports
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| De Cine ©1991 J.A. Gonzalez Nieto Strategy
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| Death Knights of Krynn ©1991 Strategic Simulations, Inc. Adventure RPG
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| Deathbringer ©1991 Empire Software Action
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| Defcon One ©1991 Third Party Software Action
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| Deluxe Video Poker ©1991 Applications Plus, Inc. Strategy Cards
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| Deluxe Yaht ©1991 Frank Grau Strategy
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| Demoniak ©1991 Palace Software Adventure Interactive Fiction
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| Desert Storm ©1991 Alpha Software Action
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| Desperado 2 ©1991 Topo Soft Action
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| Destetroyer ©1991 Alex Software Action Strategy
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| Devil Cows From Mars! ©1991 .zTx. Computer Productions Action
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| Dick Tracy- The Crime-Solving Adventure ©1991 Walt Disney Computer Software, Inc. Action Adventure
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| Die Kathedrale ©1991 Software 2000 Adventure
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| DIF-1 - Laser Tank ©1991 Softstar Entertainment Inc. Action
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| Dinosaur Discovery Kit, The ©1991 First Byte Strategy Educational
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| Dobbel ©1991 HVB Strategy
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| Dodgem ©1991 BOCC Software Action
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| Donde esta Carmen Sandiego- Buscala por todo el mundo! (beta) ©1991 Broderbund Software, Inc. Adventure Educational
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| Donde esta Carmen Sandiego- Buscala por todo el mundo! ©1991 Broderbund Software, Inc. Adventure Educational
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| Dork's Dreams ©1991 Thomas Pytel Action
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| DOSMines ©1991 James B. Yin Strategy
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| Double Cross ©1991 Microforum Manufacturing Inc. Strategy
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