If you can't use 'RPG Maker' as a group category for some reason, combining the RPG Maker, Game Maker, VN Maker, Tyrano Builder, and Game Maker's Toolkit titles into a single 'Game Development Software' category would make things much better for the streamers to get visibility, and for viewers to find game development streams without shifting through the catagories for 10+ different software titles that may or may not have streams in their language, if at all.
If you can't use 'RPG Maker' as a group category for some reason, combining the RPG Maker, Game Maker, VN Maker, Tyrano Builder, and Game Maker's Toolkit titles into a single 'Game Development Software' category would make things much better for the streamers to get visibility, and for viewers to find game development streams without shifting through the catagories for 10+ different software titles that may or may not have streams in their language, if at all.