Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (10)
 Police Quest: In Pursuit of the Death Angel | Dec 1, 1987 | Main Game | – | 60 | 60 |
 Police Quest II: The Vengeance | Nov 1, 1988 | Main Game | – | 70 | 70 |
 Police Quest III: The Kindred | Oct 1, 1991 | Main Game | – | 76 | 76 |
 Police Quest: SWAT | Sep 30, 1995 | Main Game | 37 | 50 | 44 |
 Police Quest: SWAT 2 | Jun 30, 1998 | Main Game | – | 50 | 50 |
| SWAT 3: Close Quarters Battle | Nov 23, 1999 | Main Game | – | 81 | 81 |
 SWAT 3: Tactical Game of the Year Edition | Oct 10, 2001 | Main Game | – | 50 | 50 |
 SWAT: Global Strike Team | Oct 28, 2003 | Main Game | 65 | – | 65 |
| SWAT 4 | Apr 5, 2005 | Main Game | 85 | 85 | 85 |
 SWAT: Target Liberty | Oct 16, 2007 | Main Game | 51 | – | 51 |