Valve announced today that five game modifications built on top of Valve's Source engine are now available on Steam. They are Zombie Panic! Source, Insurgency, Age of Chivalry, D.I.P.R.I.P. Warm Up, and Synergy. They are free to those who own any Source-based game and will receive automatic updates via Steam.
To celebrate the launch of MODs on Steam and give gamers an easy entry into the world of Source MODs, Valve is offering Half-Life 2: Episode One for just $4.99.
"Valve has been supporting the MOD community since the company's inception, offering updates to the SDK, holding MOD Expos and being the first to bring a MOD to retail with Counter-Strike in November 2000," said Doug Lombardi, vice president of marketing at Valve. "The debut of these MODs on Steam marks the beginning of a new level of support for the MOD community by putting the leading MODs at the finger tips of over 15 million targeted gamers."
Source: Steam
