In case you missed the tweet, here is a trailer showing off Halo coming to a game called Fall Guys.
https://www.youtube.com/watch?v=jZgaKxNfhAY
Soon we will be able to play as John 117 or Covenant in epic 60 player matches, just not in Halo! 
Text says “Spartan Fight”. Coming 30 June - 4 July.
https://imgur.com/a/WfyDXi9