In case it wasn't obvious from the previous runs I've submitted, I use the classic controls when playing New Era (i.e. punch = item grab, punch+jump = back attack & item throw). Mainly because I didn't want to get lackadaisical about my position relative to items while grinding the OG sor2.
I've run games on 3 of those, so here are my recs:
sega genesis
flash
browser
If my comment is most liked, I guess you can just choose whichever you please (my favorite is Grippy). Also, the N64 game Buck Bumble has been getting new discoveries recently and has a couple active runners vying for the top with those, so you could jump into that if you wanted to join in.
There's already a speedrun for minus world—it's in the category extensions:
Welcome! Anyone whose account is at least 7 days old may submit a game to have a new leaderboard created here by going to "Support" and clicking on "new ticket". Be sure to read the game request rules when you do.
If it is accepted, you will be the moderator of the leaderboard and will have to set up the initial categories, so you might want to look through some similar games to get a feel for how that works. (I would suggest not creating many categories to begin with.)
Note that you will be required to have two-step authentication enabled in your settings. You also need to have at least two social media accounts linked in your profile so people can contact you outside of this site if necessary, but you've already got that covered.
I think it would be a good idea to lock all threads that haven't been interacted with for over 3 months to prevent necroposts.
The problem with any specific limit is there are threads where there's not necessarily much to post for a given stretch of time, but are still relevant over a year later. For example, some people have set bounties that last over a year, and there are threads in specific games where people periodically make progress understanding some aspect of how the game works.
It'd be better if there were actual forum mods to just close threads that definitely aren't relevant anymore.
https://www.speedrun.com/users/davidsaul/comments
https://www.speedrun.com/users/hashclinics/comments
https://www.speedrun.com/users/mahitiportal/comments
https://www.speedrun.com/users/ericwillson/comments
https://www.speedrun.com/users/topdelhigirls1/comments
https://www.speedrun.com/users/bolddelhiescorts/comments
https://www.speedrun.com/users/davidbrandt/comments
https://www.speedrun.com/users/SoniyaSinghania/comments
https://www.speedrun.com/users/pexer/comments
https://www.speedrun.com/users/housemovers/comments
https://www.speedrun.com/users/tuvi123/comments
https://www.speedrun.com/users/Smith007/comments
https://www.speedrun.com/users/wsovn123/comments
https://www.speedrun.com/users/rankmarket/comments
https://www.speedrun.com/users/marycreasman/comments
https://www.speedrun.com/users/Nareshm1/comments
https://www.speedrun.com/users/ThucAnhNguyenVan/comments
The first game I recorded my runs for was Shelled Shinobi. It's a short, fast paced platformer that's easy to get into running.
Odious, I think you're underestimating just how many of the leaderboards on this site are simply too small to attract random non-runners who'd be interested & dedicated to moderating those games. Over 75% of the over 36,000 leaderboards on this site have no more than 12 runners. That's >27,000 games. So even though those leaderboards are very small, your proposal would cumulatively inconvenience tens of thousands of runners by effectively disabling their leaderboards (not to mention preventing most new leaderboards from being added).
Another thing you might want to consider is that if the larger communities wanted to have a "mods can't be runners" policy, they could implement that on their own. The fact that they haven't done so suggests most communities, by and large, are not in favor of such a policy.
So if SRC were to implement your proposal, either by removing mod status from those who have runs or by removing the runs from moderators, it's likely that many of the largest communities would protest this, and some would make their own sites to be the new primary leaderboard for the game (if an alternate site doesn't already exist). This is already the case for certain games for historical reasons.
Anyway, I have in fact run some games with moderators who had no runs in the game at the time, and my experience is that those leaderboards tend to be less well maintained than leaderboards moderated by runners. To the extent that I view non-runners moderating a game as a red flag for likely moderation issues, at least in the small games I tend to favor.