The DRM-free version, for which you require that key, will only become available later. But you can request an additional Steam key to play the latest alpha build right now.
See All Early / KS Backers now have Steam Keys! for directions.
The DRM-free version, for which you require that key, will only become available later. But you can request an additional Steam key to play the latest alpha build right now.
See All Early / KS Backers now have Steam Keys! for directions.