Uh! Sounds like really bad design choices were made with this one.
Good luck then. Will watch your progress. :-)
Maybe if you manage to produce sth extraordinary I'll buy it to support you. (Prefer donations though. More fair.)
I know that video was recent, but UG is a 3 year old game sold in multiple stores (as such we cannot sustain a donation model) with 5 major content updates under its belt. While we're still publishing small updates, don't expect anything major for UG. Especially as we're working full time on another title at the moment (after that we'll likely make a sequel to UG).
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Cheers :)