I think it would make the most sense given how all the runs here are just slow speed. Src has a "Gamemode" tag that would be appropriate here as it says, "This type indicates that a mode in the game is played and focused on as opposed to the entire game."
Then we could add a new page that's actually a Category Extensions with various interesting categories, probably from various mods like Chess Mod, Mouse Mod, Visibility Mod, etc. (Not saying every possible category should be added, probably just a sampling.)
Most of the community agrees on this completely afaik, but the only problem is moving all the runs in category extensions over to the main leaderboard.
If we just rename this page then none of the runs would have to be moved. The current URL path "snake_game_ce" could even stay the same if we didn't want to break any URLs, the new Category Extensions could be something like "snake_game_new_ce".
Afaik, we can't just add a new page. It's not that easy. If the mods figure out a way to move all the slow runs to the main category, then this will happen.
The Google Series mod (RedMooschrom) can add a new page if we want one. Other than that changing the leaderboard name can be achieved by a mod submitting a support ticket.
It's not unprecedented for a popular game to have multiple pages, Minecraft has a Category Extensions and an Unofficial Category Extensions for example.
From now on the ingame timer, aqcuired by pressing t, is required for all runs. This includes speedrun and highscore runs. Your run will no longer be verified if the video only has audio.