PSR is a group of Source Engine developers, currently focusing on Black Mesa: Hazard Course, an addon for the Half-Life reimagining Black Mesa.
dky.tehkingd.u
chrisbryant
colorfinger
delt4
nickytannock
larsbr
itsnotewell
cornettheory
jupiter(jup)
agentep
There are no registered leaders of this group. This can be granted to the right person on request. Also why don't you join the community, we welcome creators and consumers alike and look forward to your comments.