Use the official Servers tab
The Roblox experience page has About, Store and Servers tabs. Open Servers from the verified Anime Zero page, then inspect the available entries and any join conditions Roblox displays. Sign in through Roblox if the platform requests it. Availability can change while you are viewing the list; a previously available server may become full.
The official listing showed a server size of 20 on October 4, 2026. This describes the experience’s server capacity, not a confirmed dungeon-party size, private-server entitlement or promise that every mode accepts 20 players.
Coordinate a session with friends
Share the official experience link first so everyone opens the same game. Use the join options that Roblox exposes for your accounts and respect the privacy settings shown there. If a friend cannot join, compare whether both accounts can open the experience, whether the chosen server has space and whether Roblox shows a specific restriction.
A paid private server, reserved slot or cross-server invitation system has not been independently confirmed here. Check the current Servers tab before making plans around any of those features; do not buy an unrelated server or pass because another game uses a similar name.
If joining fails
Keep the exact error message and the time of the attempt. Try another available server when the problem is a full or closing server. If every attempt fails, first determine whether other Roblox experiences also fail to load. A platform-wide client or connection issue needs a different investigation from a problem limited to Anime Zero. Avoid repeated paid actions as a troubleshooting method.