Microsoft's upcoming Windows 8 OS will have Xbox Live functionality built right into it. Now, we finally get a look at the first set of games that will give us glorious Gamerscore, including Angry Birds, BlazBlue, Toy Soldiers Cold War, Skulls of Shogun and Pinball FX 2. Some titles will launch the same day as the new OS on October 26.
The Major Nelson blog has the full list, which includes 29 titles from Microsoft and 11 titles from third-parties. In addition to achievements, many of these Xbox Live games will offer leaderboards and multiplayer modes. More titles will be released closer to the holidays.
Play XBLA has a detailed list of the first-party titles.