Players can earn a "My Love for You Is Like a Truck" achievement when they defeat the Berserker creature on a Hardcore difficulty level. This line is taken from the lyrics of the song "Berserker" as sung by Jay's Russian cousin in the film Clerks.
The swarms of Kryll in 'Nightfall' are much like the creatures in Pitch Black. In both cases the protagonists must survive by remaining in the light. Also note that the original title for Pitch Black was 'Nightfall'.