The multiplayer playtest is now live! Make sure you update the game to get access.
If you have requested access to the playtest, but not yet received access, feel free to join our Discord and ask for a key, or fill out this short form and I'll send you one soon: https://forms.gle/QS8ccQHnn1Tu1WpJ9
As always, if you encounter any issues, feel free to DM me directly on Discord, or fill out our bug report form:
https://forms.gle/dUAnRNk9qqqr5ZST9