I bought the Windows 8 Store version - can I get the downloadable as well?

i bought the game on windows store. if i want it on the desktop do i need to buy it again?

please see our FAQ, we aim to provide steam keys to existing owners (both win8 and other) if we are on steam.

http://forum.greenheartgames.com/t/important-update-and-faq-if-you-see-any-issues-read-this-first/580