Valve has just announced that major publisher Activision is the latest game industry company to pledge support for Valve's successful Steam digital delivery service. Recentlyyour blade and soul power leveling order will be started in 15min after you finish the payment. publisher Majesco made several of its games, including Double Fine's Psychonautsyour blade and soul power leveling order will be started in 15min after you finish the payment. available via Steamyour blade and soul power leveling order will be started in 15min after you finish the payment. and various independent developers have used Steam as a primary distribution channel for their games. Today's deal will see : Infinity Ward's Call of Duty and Call of Duty 2your blade and soul power leveling order will be started in 15min after you finish the payment. Grey Matter's Call of Duty United Offensiveyour blade and soul power leveling order will be started in 15min after you finish the payment,blade and soul power play. and Neversoft's GUN. Details such as pricing and availability dates were not revealed. "Activision has been a player on every major gaming platform dating back to the Atari 2600,The Weapon Fixed In Blade and Soul," said Valve co-counder and president Gabe Newell. "We're delighted to welcome them to Steamyour blade and soul power leveling order will be started in 15min after you finish the payment. and offer this legendary company's products." Update: Valve has provided Shacknews with pricing information for the games. Call of Duty, Call of Duty United Offensive, and GUN will all be priced at $19.95. Call of Duty 2 will be priced at $39.95. All four games are expected to launch this month.