🏢 On-Line Systems
7 games developed by On-Line Systems, sorted by release date from newest to oldest (including upcoming titles).
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Cranston Manor
You break into the mansion of the late millionaire Cranston in order to steal sixteen treasures which are said…
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Ulysses and the Golden Fleece
You are Ulysses and your king has given you the task of finding the legendary Golden Fleece and bring it back …
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Threshold
Threshold is a typical shoot 'em up that places the player's spaceship at the bottom of the screen where he ha…
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Jawbreaker
Jawbreaker is a video game programmed by John Harris and released in 1981 for the Atari 400/800 by On-line Sys…
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Mystery House
雪樂山公司前身推出的首部作品，是最早搭配圖像的冒險遊戲之一，玩家在古宅中尋寶並調查接連發生的命案。
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The Wizard and the Princess
Princess Priscilla has been kidnapped and the player seems to be the only valliant hero willing to rescue the …
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Mission Asteroid
An asteroid is on collision course with Earth and it's up to the player to prevent the inevitable catastrophe.…
