Is this legit?

Created by Ian Watters on on 2013-02-24
Keywords:

IF YOU MEAN 'IS THIS MADE BY VALVE'
Then no.

IF YOU MEAN IS THIS CANNON TO THE HL GAMES?
No.

IF THIS IS ALOWED?
This is, so long as it's a mod and we don't give away the source made by Valve.

To tell you all is long and not terribly relevant to anything at the moment.