Bleeding Cool confirmed that entering a Play-by-Cloud game of Civilization VI appeared to be, and remains, impossible. Attempting to start a new game resulted in an error that said "Error entering multiplayer session," with no other information provided.
JUNE CIV 6 PATCH UPDATE
In threads on the Civ Fanatics forum, as well as in the Steam Community, users complained of an inability to enter Play-by-Cloud games, either existing games from before last week's update or brand new ones. Just four weeks ago, the first part of Civilization 6 s New. On the base of that development lie the beliefs which your people have.
Unlike regular multiplayer, a Play-by-Cloud game can last for weeks as players take their turn at their convenience. Firaxis Games outlines the new content and changes that are coming to Civilization 6 as free updates over the course of June 2020. Civilization 6 allows you to lead a nation through history, dictating its direction and rate of progress. Play-by-Cloud makes this easier by keeping the file on Civilization's cloud servers and notifying users when it's their turn to play. Play-by-Cloud is a game mode that replicates the old school play by email style, where users would play their turn in a hot seat game, save it, and email it to the next player, who would play their turn, email it, and so on. Civilization VI recently got a new major update to the game, courtesy of 2K Games. But one feature continued to be unavailable. Minimum Requirements for Civ 6: Code: OS: 10.11 (El Capitan) or 10.12 (Sierra) Processor: Intel Core i5 2.7Ghz Memory: 6 GB RAM Graphics: 1 GB GPU Minimum - GeForce 775M Radeon HD 6970 Intel Iris Pro Storage: 15 GB available space. Eventually, those issues were resolved, for most users.
Epic's status page listed incidents with the servers on May 21st and May 22nd. Sometimes, entering a game lobby could take ten to fifteen minutes, and even when players made it in, they may not have been able to actually add other players and start the game. In the next few days, getting onto the game's multiplayer servers was a dicey prospect.