Project Sylpheed Demo Available NowMicrosoft will publish Square Enix's Project Sylpheed in the UK on June 29, but Xbox Live members can sample the game a little earlier. A demo for the space combat title is available on Xbox Live Marketplace now and weighs in at 613 MB. The demo lets you explore an entire mission from the game and is currently confirmed as being available in Europe and the US. Project Sylpheed is one of three Japan-developed titles Microsoft will release in the coming weeks. Vampire Rain from Artoon and From Software's Tenchu Z (demo available on Marketplace) will also be released on June 29.