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Ken Williams
Ken Williams (born October 1954) is an American game programmer and co-founder with his wife Roberta Williams of On-Line Systems, which later became Sierra On-Line. Roberta and Ken married at the age of 19 and have two children. The couple have been leading figures in the development of graphical...
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Mystery House
Mystery House is an adventure computer game released in 1980 by Roberta and Ken Williams for the Apple II. The game is remembered as one of the first adventure games to feature computer graphics and the first game produced by On-Line Systems, the...
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- 1980
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The Wizard and the Princess
Wizard and the Princess, also known as Adventure in Serenia, is a 1980 computer game by On-Line Systems for the Apple II and Apple II Plus. It is the second title released in On-Line Systems' "Hi-Res Adventure" series after Mystery House. It is a...
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- The Wizard and the Princess ,
- The Wizard and the Princess ,
- The Wizard and the Princess ,
- The Wizard and the Princess
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Initial release date:
- 1980
