ZDoom

This was my favorite launcher for a long time, but lately I've been getting hit with a really annoying bug. If my PC crashes or gets shut down when Doom Runner is still running (ie a storm knocks out power. tested on multiple PCs) I get an error (that I couldn't get a screenshot of atm) which ...

Also a bug - DeHackEd patch must be added with -deh parameter, not -file. The example is Alien Vendetta

Looks promising. Have you considered making recursive scan of maps and mods folders? And also, when there are many mods, they are usually placed in sub-folders. I think it would be nice to have a tree list of mods with checkboxes instead of linear one, isn't it? As for the maps - sometimes there are ...