0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Oasis of Shalimar, The
	Publisher Mountain Valley Software (198?) Developer (Unknown) Genre Adventure - Graphic(Charset)/Text Commodore 64 Coder (Unknown) Graphics (Unknown) Music (None) Language English

Obico
	Publisher (Not Published) (1992) Developer (Unknown) Genre Adventure - Joystick only Commodore 64 Coder Steffen Göbbels Graphics (Unknown) Music (None) Language English

Obico
	Publisher Logo Software GmbH (1991) Developer (Unknown) Genre Adventure - Joystick only Commodore 64 Coder Steffen Göbbels Graphics (Unknown) Music (None) Language German

Obicontrol
	Publisher (Not Published) (1992) Developer (Unknown) Genre Adventure - Joystick only Commodore 64 Coder Steffen Göbbels Graphics (Unknown) Music (None) Language English

Odinshrine
	Publisher The Guild Adventure Software (1988) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Elise C. Bucher (Zosia the Pious) Graphics (Unknown) Music (None) Language English

Odyssey
	Publisher (198?) Developer Duncan Computers Genre Adventure - Graphic(Charset)/Text Commodore 64 Coder (Unknown) Graphics (Unknown) Music (Unknown) Language English

Odyssey - Kampf mit der Wildnis
	Publisher Markt & Technik/64'er (1986) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Hans-Günther Schreck Graphics Hans-Günther Schreck Music (None) Language German

Off the Wall Adventure
	Publisher Ballantine Books (1985) Developer (Unknown) Genre Adventure - [uncategorized] Commodore 64 Coder Gary Wilson, Tim Hartnell & Nathan Butcher Graphics (None) Music (None) Language English

Og the Great
	Publisher The Adventure Workshop (1993) Developer (Unknown) Genre Adventure - GAC Commodore 64 Coder Damian Steele Graphics (Unknown) Music (None) Language English

Olin in Emerald - Kingdom of Myrrh
	Publisher Adventure International (1984) Developer (Unknown) Genre Adventure - Selectable Answers Commodore 64 Coder George Taylor & Gordon Morrell Graphics Sheila Morrell Music George Taylor Language English

One Bite Too Deep
	Publisher Reelax Games (1985) Developer (Unknown) Genre Adventure - Arcade 3D Commodore 64 Coder Anton Hinxman Graphics Anton Hinxman Music (None) Language English

Oo-Topos
	Publisher Polarware, Inc./Penguin Software (1986) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Michael Berlyn & Muffy Berlyn Graphics (Unknown) Music (None) Language English

Open Seas, The
	Publisher (Unknown) (19??) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Ian Gray Graphics (Unknown) Music Chris Cox Language English

Operation Feuersturm
	Publisher Markt & Technik (1988) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Christian Kratzsch Graphics Christian Kratzsch Music (None) Language German

Operation Hongkong
	Publisher Golden Games (1986) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Holger Gehrmann Graphics Uwe Grabosch Music Holger Gehrmann Language German

Operation Neptun
	Publisher Happy Software/Markt & Technik (1985) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Carsten von der Lippe Graphics (Unknown) Music (Unknown) Language German

Operation Terminal
	Publisher Dreamrider Software (1986) Developer (Unknown) Genre Adventure - Arcade 2D Commodore 64 Coder Larry Hodgson & Tony Azzarello Graphics (Unknown) Music (None) Language English

Oracle's Cave, The
	Publisher Dorcas Software (1984) Developer (Unknown) Genre Adventure - Miscellaneous Commodore 64 Coder Chris Dorrell Graphics Chris Dorrell Music (None) Language English

Oregon Trail
	Publisher (Unknown) (19??) Developer (Unknown) Genre Adventure - Selectable Answers Commodore 64 Coder (Unknown) Graphics (Unknown) Music (None) Language English

Orion Quest, The
	Publisher Argus Press Software (APS)/Mind Games (1984) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Neil M. White & Dave C. Jordan Graphics (Unknown) Music (None) Language English

Orm and Cheep - The Birthday Party
	Publisher Macmillan Software (1985) Developer Widgit Software Genre Adventure - Miscellaneous Commodore 64 Coder (Unknown) Graphics (Unknown) Music (Unknown) Language English

Orson Powell - Lycanthropus
	Publisher Edizioni Hobby/Viking (1987) Developer (Unknown) Genre Adventure - Graphic(Hi-Res)/Text Commodore 64 Coder Bonaventura Di Bello Graphics (Unknown) Music (None) Language Italian

Overlord
	Publisher Virgin Mastertronic (1991) Developer Probe Software Genre Adventure - [uncategorized] Commodore 64 Coder Nick Jones Graphics Hugh Riley Music Jeroen Tel Language English