« Friend pass with full cross play after the new update. »

« Now has friend pass, coop story and speedrun. https://store.steampowered.com/app/2477230/Timemelters__Friend_Pass/ »

« Will have friend pass for the full game. From the creators of "It takes two" and "A way out" »

« Has friend pass, fun party game where you have to find the real players among NPCs »

« Owners of the full game can invite friends who have the demo to play the full game for free! »

« "5-10 (!) local presidential advisors and their mobile devices can help him get re-elected in this social deduction party game." Only one copy of the game needed. Currently free 2 play. »

« If you own Paper Pirates, you can create a lobby and any of your friends can join even if they don’t own the game! Share the room code and they can join from a web browser on their own PC, laptop, mob »

« From steam page: In Whispers in the West, your friends don't need to buy the game to join a room. As long as the host owns the case, anyone invited can join for free using the Steam demo +3 friends »

« "Jackbox 1 ,2,3,4,5,6,7,8,9,10" Tecnically all Jackbox/drawfull/you dont know jack games is possible to play with one copy of the game if playing local or streaming. »

« *tecnically not a "friend pass", but has a slightly more expensive two pack bundle with a copy to gift to a friend! »