Like, totally out of nowhere, Double Fine just hit us with an update to the PC version of "excellent game" Psychonauts, adding Steam Play cloud saves, achievements and support for Mac OS X. Additionally, there's a "slightly modified Meat Circus."

Epic Games' Unreal Development Kit, the developer side of the engine that powers Gears of War, Mass Effect, Mortal Kombat, and dozens of other titles, has a new beta release. Within is support for UDK games on Mac OS X, meaning, hopefully, more native games on Apple-made computers.

Gamers who prefer their operating systems designed by Apple will also have a chance to take a bite of Duke Nukem Forever's "pain cake" this summer, when Aspyr brings 3D Realms, Gearbox Software and 2K Games' raunchy first-person shooter to Mac OS X this summer.

Mac owners can start "grabbin' peels" today with the arrival of the original Left 4 Dead, which Valve has released via Steam. To celebrate the latest Windows-to-Mac port, Left 4 Dead is now 50% off. But wait, there's more!

Garry Newman's crazy physics sandbox for the Source engine, the one that lets you manipulate, animate and torture characters from Half-Life, Counter-Strike and Team Fortress, has joined the list of Mac games on Steam.

The creator of Half-Life, Team Fortress and Portal has a plan to increase the number of Mac games that are available through its digital distribution service, Steam. Valve plans on giving away* "some" of its Mac-specific game code to developers.

Steam for Mac gets a big update this week with the addition of Half-Life 2, coming to Mac OS X on May 26.

Blizzard is still hip-deep in the StarCraft II multiplayer beta, but fans of the sci-fi real-time strategy game should expect a pair of important updates over the next couple weeks, including the release of the game's Galaxy Editor.

While it wasn't listed among the other Valve games that were getting Mac OS X support earlier today, the original Left 4 Dead is also making its way to Apple computers alongside its sequel.

Is Valve finally ready to make the switch and support Mac OS X? A recent update to Steam hinted at it, now it's time for the Half-Life, Left 4 Dead and Team Fortress developer to be more blunt about it.

Yesterday's announced update to Valve's Steam digital distribution service came with a surprise—hints that the Half-Life developer may be planning to add Mac OS X support to the currently Windows-only software.

The list of excuses for not having played Number None's Braid gets shorter today with the release of the Mac OS X version of the time-shifting puzzle platformer.

MacOS and Linux's install base is dwarfed by Windows, so in terms of which platform to develop for, that ends the argument right there. Right? Wrong, says Wolfire Games' Jeff Rosen.

Hey, making massively multiplayer online games is difficult. Sometimes things slip through the cracks. But that doesn't mean we can't poke fun at EVE Online when it accidentally snatches the totally wrong texture from the hard-drive.