Given that the community has accepted these as a part of our Stack Exchange platform, I believe strongly that it makes sense to categorize these together so that it is clear when the author has identified their question is mod related. In doing so, we can group them all together and get a better idea of the popularity of such questions and how well they fit into the community.
By doing this, we can gain valuable insight and metrics on how well our community is versed in handling these specific types of questions while allowing those who are well versed in mods to look up and answer.
I also propose some synonyms, such as: modding and others that might fit the bill.