Games developed by On-Line Systems

Browse games developed by On-Line Systems. Use the A–Z row or filters to narrow results by platform, region, or genre.
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Cranston Manor (Second Release)
Apple II

Cranston Manor (Second Release)

Marauder
Apple II

Marauder

Mission: Asteroid (First Release)
Atari 800

Mission: Asteroid (First Release)

Mystery House
Apple II

Mystery House

Mystery House (3rd Release)
Apple II

Mystery House (3rd Release)

The Wizard and the Princess (First Release)
Apple II

The Wizard and the Princess (First Release)

Time Zone
Apple II

Time Zone

Ulysses and the Golden Fleece (First Release)
Apple II

Ulysses and the Golden Fleece (First Release)

Wizard and the Princess
PC

Wizard and the Princess