Sierra On-line's "Police Quest" series of games, including the "Police Quest" series of interactive fiction series. Known for their realism, the series is steeped in actual police procedure. The series includes:

• "Police Quest: In Pursuit of the Death Angel" (1987)
• "Police Quest 2: The Vengeance" (1988)
• "Police Quest 3: The Kindred" (1991)
• "Police Quest: In Pursuit of the Death Angel" VGA Edition (1992)
• "Daryl F. Gates Police Quest: Open Season" (1993)

This was followed by the SWAT series of squad-based real-time using the equipment and techniques of LAPD SWAT officers:

• "Daryl F. Gates Police Quest: SWAT" (1995)
• "Police Quest: SWAT 2" (1998)
• "SWAT 3: Close Quarters Battle" (1999)
• "SWAT 3: Elite Edition" (2000)

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