This is a quite usual situation on the gaming market when developing company fails supporting or maintaining it's product,as we can observe out of present situation around Ubisoft.Solutions are often the following:
1.Company sells entire trademark and exclusive rights to other company.
2.Company merges with other company or development team and produces further products.
Of course,this is just a pure concept...but GWX could transform into official gaming software company instead of stopping it's productions.For examle,something like GWX Limited or something else.