Actually it's already available. The one Alien Swarm using is a version in between Left 4 Dead 2 and Portal 2, if I remembered correctly. One of the developers mentioned that on Facepunch. And Alien Swarm is TOTALLY FREE, along with its full source code.
> Date: Sat, 11 Sep 2010 21:24:06 -0300 > From: samuelga...@gmail.com > To: hlcoders@list.valvesoftware.com > Subject: Re: [hlcoders] Source Engine 2009? > > "When It's Done* " > > > *Approx Valve Time > > On Sat, Sep 11, 2010 at 9:13 PM, Matheus Lima Faiotto > <m...@revgamers.net>wrote: > > > Does anyone have an estimate of when? > > > > -------------------------------------------------- > > From: "James Pizzurro" <ja...@agentredproductions.com> > > Sent: Saturday, September 11, 2010 7:27 PM > > To: "Discussion of Half-Life Programming" <hlcoders@list.valvesoftware.com > > > > > Subject: Re: [hlcoders] Source Engine 2009? > > > > > > The answer is no, not yet. > >> > >> On Sep 11, 2010 7:24 PM, "Matheus Lima Faiotto" <m...@revgamers.net> > >> wrote: > >> > >>> Alright guys, > >>> > >>> I'm sorry I'm kind of late here, however, Is it possible to Create a Mod > >>> > >> with the Source Engine 2009? > >> > >>> > >>> because while attempting to, I get an error about being able to open > >>> > >> \CreateAMod\something\gameinfo_mp.txt > >> > >>> _______________________________________________ > >>> To unsubscribe, edit your list preferences, or view the list archives, > >>> > >> please visit: > >> > >>> http://list.valvesoftware.com/mailman/listinfo/hlcoders > >>> > >>> _______________________________________________ > >> To unsubscribe, edit your list preferences, or view the list archives, > >> please visit: > >> http://list.valvesoftware.com/mailman/listinfo/hlcoders > >> > >> > >> > > _______________________________________________ > > To unsubscribe, edit your list preferences, or view the list archives, > > please visit: > > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > http://list.valvesoftware.com/mailman/listinfo/hlcoders > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders