The last way to join a specific Roblox game is if players have friends playing in that server. They are able to join any friend's game if they have the "Join In-game" setting enabled.

What is error code 524 in Roblox? One of the rare authorization failures in Roblox is the Roblox error code 524. This Roblox join issue prevents you from joining a game server.

In order to lessen the impact of hackers and players who were previously banned, certain Roblox games may not allow newly created accounts from joining, especially in VIP servers.

If you have encountered the Roblox Authentication Error Code 901 on Xbox or Windows 11/10 PC, try the solutions in this post to resolve the issue.