Left 4 Dead Updates

Valve writer confirms zombie shooter series sales across first and second installment; Left 4 Dead 3 possible for "sometime down the road."

Valve confirms this week's security breach potentially exposed encrypted credit card numbers, passwords, addresses, more.

Gamemaker working with publishing giant for Valve Presents: The Sacrifice and other Steam-Powered Stories due out November 16.

National Entertainment Collectibles Association announces agreement with Portal, Half-Life maker for toys, action figures, board games, accessories, and apparel from studio's stable of IP.

Publisher continues core-gaming push by signing Turtle Rock Studios' next project, due in 2013; title to have multiplayer emphasis.

Near-billionaire Gabe Newell discusses his privately held developer's finances with Forbes; Steam controls 50 to 70 percent of PC online market.

Financial magazine's crowd-sourced list of candidates to make massive impacts in next year features Valve CEO in recognition of Steam's hold on PC digital distribution.

Half-Life developer to support Apple's OS with Steam, back catalog next month.

[UPDATE 4] Uncharted 2 tops Game Developers Choice Awards with five trophies; PlayStation Move debuts; write-ups of Meier, Pardo, Molyneux, Muzyka, Sakamoto, Yamaoka, Toriyama, and Schafer talks also on tap; full rundown of event and new Deus Ex trailer inside.

Half-Life studio announces full support of Apple's OS for Steam, catalog hits this April; Portal 2 compatibility confirmed; all future games getting simultaneous PC, Mac, 360 release.

Valve cofounder to be honored for creating Steam at March developer conference, as Marble Madness creator is honored by Academy of Interactive Arts and Sciences.

First add-on for Valve's survival horror shooter sees original cast join up with sequel's crew on 360, PC in early 2010; includes new zombie type, melee weapon, firearm.