Mass Effect Demo At GDCBoth Microsoft and BioWare remain tight-lipped on what well see and whether it will be playable, but news of the showing follows recent heightened activity as the game enters its final development push. While a specific release date isnt known as yet, theres been plenty of recent Mass Effect related news that suggests we may see the game sooner rather than later. For instance, two prequel novels by game writer Drew Karpyshyn were recently announced, and will fill out the history and setting of Mass Effect. The first of these, Revelation, will tell the story of Alliance war hero David Anderson, who joins a rogue alien agent to investigate a spooky secret research facility. Its due to go on sale in May for US$ 7.99. Theres also been activity on the games website, as details of the games races and characters slowly filter in, as well as a batch of new screenshots being released. Mass Effect is another trump up Microsofts Xbox 360 sleeve, and rest assured that well be grilling game creators Ray Muzyka and Greg Zeschuk at the Game Developer Conference next week.