"Pathogen - Killing Floor" is a high quality rip of "Pathogen" from Killing Floor.
Jokes[]
At 0:19, the advertised track is mashed up with the song "Loadsamoney" by Harry Enfield. At 2:15, the "Are you ready? Yeah!" segment is extended to loop until 2:37. At 2:27 and 3:43, various "Male Voice 1" voicelines from the advertised game are added to the mashup.