normally I make a point not to play people's games when they go on my project and say "play my game" but I will make an exception because it looks entertaining
Viewing post in Ace is High jam comments
I'm pretty sure you can select it as a team and both have it on your itch; https://itch.io/updates/let-collaborators-edit-your-game-pages-with-the-new-game... I don't know if that would show up in a jam page but here you go
Handy itch tips #9