http://dreamcatcherinteractive.com/forums

Many great people post here. Good place to get all information about PainKiller

http://www.pkeuro.com

The largest PainKiller community site. Lots of great information in their forums, and a great source for current PainKiller news.

http://www.peoplecanfly.com

Developer of PainKiller. Pretty sweet flash web site.

http://www.dreamcatcherinteractive.com

Publisher of Painkiller.

http://www.painkillergame.com/

Official game site. Yet another sickingly awsome flash site.