In OBS add a Browser Source and paste this link.

Type this in your chat:

Two house cars race on the overlay, then it goes empty again.

You and your mods start races:

• !duelone on one
• !groupsix drivers · !group 4
• !cupyour cup · pays a container
• !startcupstart now, house cars fill in
• !stopracecall it off

Viewers join with !race.