First look: Valve's Steam, Team Fortress 2 and Portal for Mac

Valve's highly anticipated release Mac OS X release of Steam, its cloud-based game store and service, is set to be released as a public beta this week. AppleInsider offers a first look at the software with hands-on impressions and screenshots, including the first available titles: Portal and Team Fortress 2.

Promotional images - Official TF2 Wiki

Team Fortress 2 on Steam

Apple ended support for 32 bit software, which is over HALF of steam! : r/ tf2

Valve, Apple worked closely to bring Steam natively to Mac

Team Fortress 2 (Game) - Giant Bomb

Steam does this every time I open tf2 for the first time since I start up. Help? : r/tf2

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Modern MacOS support??? : r/tf2

Team Fortress 2 (for PC) Review

Valve Edits Blog Post, Walking Back Its Team Fortress 2 Hype

Team Fortress 2 on Steam

Valve Source Games are Getting Their Assets Leaked; Revealing Content From TF2, Portal, and More