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- Sierra On-Line, Inc.
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Found 188Sierra On-Line, Inc. games.
- DOS
Alien Legacy
- Sega Master System
King's Quest: Quest for the Crown
- ColecoVision
B.C. II: Grog's Revenge
- ColecoVision
B.C.'s Quest for Tires
- ColecoVision
Threshold
- ColecoVision
Oil's Well
- ColecoVision
Sammy Lightfoot
- Commodore VIC-20
Crossfire