Microsoft has added 3D games to Zune Marketplace as promised. The small catalog of games include Project Gotham Racing: Ferrari Edition, Vans Sk8: Pool Service and AudioSurf Tilt, among other titles. To download and play the new games on Zune HD you will need Zune 4.3 firmware update. All the games available on Zune Marketplace are free and can be downloaded today. Microsoft says it will add more games and apps to Zune Marketplace in near future. We have added a video above showcasing Project Gotham Racing: Ferrari Edition for Zune HD.