If the game you want to moderate is not on the site yet, use https://speedrun.com/requestgame to request the game, you'll automatically be asigned moderator when it is through.

If the game is already on the site, contact the current moderator(s). To "contact" a moderator, either leave a forum thread in the game's forum or visit their Social Media. Their Social Media can be viewed on their profile.

you contact them using either the games fourm or their social media links

/edit got quickscoped by the European Union

It depends on their notification settings

@Lonne and that's why we are Brexit...kappa?

You know it ( ͡° ͜ʖ ͡°)

Just a litle UK/European political humour