Re-enter the Half Life Universe and revisit City 17 in the time before Freeman, in this fan made single-player mod. The Resistance is threatened by a decisive Combine assault, and as a wanted Resistance member you will need to fight to escape from the Combine's clutch. At the same time, a mysterious force is working towards ends unknown...
Precursor Interview (and some stats!)
Find out more about Precursor and learn what advice I'd give to aspiring modders by reading this ModSentry interview!
Jul 15, 2011 News
Precursor 1.1 Released!
Precursor has been updated to improve the game, as requested by the players. If you haven't played Precursor yet, this is a good time!
Apr 17, 2011 News
The future of Precursor and an interview!
Read about the future of Precursor and listen in to an interview with the team lead and level designer of Precursor.
Apr 4, 2011 News
Precursor is released!
Experience the time before Freeman's return by downloading and playing Precursor now!
Mar 28, 2011 News
Precursor Launch Trailer and Website Available
Prepare for the Precursor Mods March 29 release by watching the launch trailer and checking out the mod website!
Mar 27, 2011 NewsOnly registered members can share their thoughts. So come on! Join the community today (totally free - or sign in with your social account on the right) and join in the conversation.







This is really one of the BEST mods i have ever played very good job!
-Nouman
the best mod
but why i have many RED ERRORS in everywhere?
whats wrong
Make sure you have half life 2 episode 2 and half life 2 uploaded to your computer before you play. Double check to make sure you have all of the mod documents as well.
Hi all!
We've updated the mod to fix the issues that have been reported. The download should appear in our downloads section shortly!
one of the best mod i have ever played! good job and please make a part 2 or somthing!
hello evryone, first off wanna say the mod looks great. some real thought went into it. now about by issue
i played the mod the first time fine, ran awesome, but today on my second time i started im getting all this missing textures like walls and getting 'error' signs. I HAVE EP 2 and HL2 and PORtal. all run fine. my sourse sdk 2007 is upto date. any ideas ????
one final comment... the mod does not appear in my games list... it use to before but not anymore ???
same problem man
I am having the same problem. Is there anyway to launch it form the console or something?
Very good mod, way above average.
Awesome map design (as good as Valve's), fun gameplay. Brilliant soundtrack.
I have only one complaint: I missed some weapons.
No Magnum? No crossbow? And, above all, no Gravity gun? The GG would have made this mod twice the fun.
I'd give this mod 9 if I had more weapons available.
Still, one of the best HL2 mod I ever played.
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