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ON-LINE SYSTEMS: Hi-Res Adventure #0: Mission: Asteroid (1980) (Apple ][) (CIB) Hi-Res Adventure #0: Mission: Asteroid (1980) (Atari 400/800) (CIB) Hi-Res Adventure #1: Mystery House (1980) (Apple ][) (NIB) Hi-Res Adventure #1: Mystery House (1980) (Apple ][) (1*floppy only) Hi-Res Adventure #2: Wizard and the Princess (1980) (Atari 400/800) (CIB) Hi-Res Adventure #3: Cranston Manor (1981) (Apple ][) (SW) Hi-Res Adventure #4: Ulysses and the Golden Fleece (1981) (Apple ][) (CIB) Hi-Res Adventure #4: Ulysses and the Golden Fleece (1981)       (Atari 400/800) (folder + 2*floppies) ^catalog and ref. card are missing Hi-Res Adventure #5: Time Zone (1982)       (Apple ][) (box + manual + 6*floppies) ^poster and reg. card are missing Adventure in Serenia (IBM) (1982) (PC, 5.25") (CIB) ^ref. card is missing Softporn Adventure (1981) (Atari 400/800) (CIB)

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HI-RES ADVENTURE - SIERRAVENTURE (LARGE FOLDERS): Hi-Res Adventure #0: Mission: Asteroid (Apple ][) (198?) (CIB) Hi-Res Adventure #2: Wizard and the Princess (1982)       (Atari 400/800) (folder) (CIB) ^reg. card are missing Hi-Res Adventure #3: Cranston Manor (Atari 400/800) (1981) (CIB)       ^reg. card is missing Hi-Res Adventure #4: Ulysses and the Golden Fleece (1981)       (Atari 400/800) (folder + 2*floppies) ^reg. card is missing Hi-Res Adventure #6: The Dark Crystal (1983)       (Atari 400/800) (folder + 3*floppies + ref. card) ^poster is missing

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HI-RES ADVENTURE - SIERRA ON-LINE (SMALL BLACK ONE-PIECE BOXES) Hi-Res Adventure #0: Mission: Asteroid (Sierra On-Line) (1983)       (Commodore 64, 5.25") (CIB) Hi-Res Adventure #2: Wizard and the Princess (Sierra On-Line) (1983)       (Commodore 64, 5.25") (CIB) ^floppy label is missing

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HI-RES ADVENTURE - U.S. GOLD: Mission Asteroid (All American Adventures, U.S. Gold / Sierra On-Line Inc, Flat Plastic Case) (1983)       (Commodore 64, 5.25") (CIB) Wizard and the Princess (All American Adventures, U.S. Gold / Sierra On-Line, Blue Box) (1983)       (Commodore 64, 5.25") (CIB)

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SIERRA / SIERRA ON-LINE (INC.) ADVENTURES, RPG AND EDUCATION: Dragon's Keep - A Hi-Res Learning Game (Sierra On-Line Inc) (1982 / floppy: 1987)       (Apple ][) (CIB-) ^9 stickers are missing Dragon's Keep - A Hi-Res Learning Game (Sierra On-Line Inc) (1982)       (Commodore 64, 5.25") (SW) (back dented) Dragon's Keep (Sierra On-Line) (1984) (Atari 400/800) (CIB) (Rainbow Clamshell) Dragon's Keep (Sierra) (1984) (Atari 400/800) (CIB) (Clamshell) Story Maker - A Creative Story Construction Kit for Ages 7 to 14 (Sierra) (1984)       (Apple ][, 5.25") (SW) (Clamshell) Troll's Tale (Sierra On-Line) (1984) (Atari 400/800) (CIB-) ^stickers are missing (Rainbow Clamshell) Troll's Tale (Sierra On-Line Inc) (1983) (Apple ][) (1*floppy) ^everything else is missing The Wizard of Id's Wiztype (Sierra On-Line / Sydney Development Corp) (1984) (IBM PC/PCjr, 5.25") (SW) (Clamshell) The Wrath of Denethenor (Sierra) (1986) (Apple ][) (CIB) (Flip Box)

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ON-LINE SYSTEMS ARCADE: Crossfire (Sierra On-Line Inc) (1981)        (Atari 400/800, cart) (CIB) (Cover Paper with Styrofoam) Jawbreaker (1981) (Atari 400/800) (CIB)

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SIERRA ARCADE: B.C.II: Grog's Revenge (Showtime / Sierra On-Line Inc / Sydney Development Corp / U.S. Gold) (198?)       (Commodore 64, cassette) (CIB) (Finnish Showtime-release) Frogger (Sierra) (1984) (C64/Atari, 5.25") (CIB) (Blue One-piece Box) Oil's Well (Sierra) (1984) (Atari, cart) (NIB) with shrink Sierra Championship Boxing (Sierra On-Line) (1984) (IBM PC/PCjr, 5.25") (CIB) (Black Box) Sierra Championship Boxing (Sierra) (1984-85) (Apple Macintosh, 3.5") (CIB) (Orange Box) Stunt Flyer - The Precision Aerobatics Flight Simulator (Sierra) (1984) (Commodore 64/128, 5.25") (CIB) Oil's Well (Eaglesoft/Sierra) (1984) (MSX, 3.5") (box only)

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SIERRAVISION: Cannonball Blitz (1983) (Vic=20, cart) (CIB) Jawbreaker II (198?) (Atari, 16K 5.25") (SW) Mr. Cool (1983) (Atari 8-bit, cart) (SW)

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MAGAZINE:

The On-Line Letter, June 1981: Volume 1 – Number 1 (1981)