HaxBall has a very active competitive community. Joining a HaxBall Discord server is one of the best ways to find private room links. Even if the main site is blocked, you might be able to join a game directly via a link shared by a friend on Discord, provided Discord isn't blocked on your network.
When the primary domain (HaxBall.com) is restricted, players use these top-rated methods to stay in the game: 1. Mirror and Alternative Hosting Sites unblocked haxball top