WIll be the Steam Patch 0.6.4.6 from 6.Oct.2016 available on GOG or similar Patch?
I know the Community on GOG isn´t really big and GOG handles Updates differently, but i still hope for new content to explore :)

Sincerely
Softiga

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I'd be very interested to know about this as well.

I've literally run down every single piece of content, and I am now hoping for more to come as I thirst patiently.

Can't Play Arena Forever, but I do understand game development needs time and patience. X'D