Should I use Union to sell my PC game?

Union is suitable to platforms that are hard to ac$$anonymous$$eve and / or involve $$anonymous$$gh costs. For PC you should try Steam, Mac Store and similar platforms.

You need to have a successful game first before you can t$$anonymous$$nk about Union.

If you want to get your game published as quickly as possible, Indievania (http://indievania.com/) accepts anyt$$anonymous$$ng and everyt$$anonymous$$ng. Desura (http://www.desura.com/) also accepts just about everyt$$anonymous$$ng and has a reasonably sized fanbase. Steam Greenlight (http://steamcommunity.com/greenlight) is also an option, but the chances of anyt$$anonymous$$ng getting accepted on there are quite small.