Your kickstarter did pretty well for not reaching your goal. I think just having a better managed kickstarter could be enough to succeed. But, you or someone might need to make a lot more updates, spend a lot more time reaching out to gaming press and promoting on social media platforms, etc. And of course additional features never hurt.
Somewhere around here there's a thread with kickstarter tips, if you haven't read it, there might be some info in there that can really help make a difference next time around.

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