I think that if you have at least a video of real game-play, your poised to take donations like this. If you have something users can download and play with, even if it's unstable, then you could definitely solicit. But a nice website and a vague concept is not good enough. I mean, in terms of specifics all we get is:

"You've just landed on an island. Deploy your soldiers and decide when and how to attack to defeat your opponents. Code your strategy in Python or Javascript (more languages coming up!) and prove your skill in a revolutionary programming competition."

Yeah, no.