Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (10)
| South Park | Dec 12, 1998 | Main Game | 41 | 52 | 47 |
 South Park: Chef's Luv Shack | Oct 12, 1999 | Main Game | – | 76 | 76 |
 South Park Rally | Jan 5, 2000 | Main Game | – | 63 | 63 |
 South Park Let's Go Tower Defense Play! | Oct 7, 2009 | Main Game | 60 | 73 | 66 |
 South Park: Tenorman's Revenge | Mar 30, 2012 | Main Game | 47 | – | 47 |
| South Park: The Stick of Truth | Mar 3, 2014 | Main Game | 80 | 84 | 82 |
| South Park: The Fractured But Whole | Oct 17, 2017 | Main Game | 85 | 80 | 82 |
 South Park: The Fractured But Whole - SteelBook Gold Edition | Oct 17, 2017 | Main Game | 58 | – | 58 |
 South Park: Phone Destroyer | Nov 9, 2017 | Main Game | 55 | 68 | 62 |
 South Park: Snow Day! | Mar 26, 2024 | Main Game | 66 | 48 | 57 |