Sick, of course… but also funny as hell.
I’m sure a “liberalzombiesmustdie” version would be just as amusing; most certainly to those who despise liberals. Also not hard to imagine the stereotypes and cast of undead characters that would be involved…
Update: Speaking of which, Keith Olbermann didn’t find the game funny in the least, awarding it a “Worst Persons in the World” nomination last night and calling for a boycott of Starvingeyes Advergaming, the company promoting it.