World of Padman is an open-source game using the ioquake3 engine. What makes this game different from other first-person shooters is that it's a cartoon-style action game.
OpenBenchmarking.org metrics for this test profile configuration based on 1,124 public results since 26 February 2011 with the latest data as of 5 April 2020.
Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.