This summer Microsoft is offering directly to K-12 and Higher Education Institutional Customers a special pricing for a limited time on Surface RT. The offer is good from June 17, 2013 until August 31, 2013 and at this point it is only available direct from Microsoft Education Account teams...
the 400 days version is the 6th episode of it. [Edit] works fine on surface pro. already finished the game except the latest episode.
i suggest you use the 1240x680 screen resolution so that you want have any lag
having the same issue! hope it get fixed when i get home later :( if not, will try to wait for it to get drained and do what you said to get it fixed. Thanks for this! :D