Sludge Sumo help

1. Open the game, type a name and press Create room.
2. Press Copy link and send the link to your friends, or tell them the four-letter room code to type under or join a friend.
3. When everyone is in, the host picks the arena, the mode and the match length, and presses Start match.

A room has four seats. Anyone who joins after a match has started watches, and plays in the next one.

Yes. Create a room and leave Fill empty slots with CPU players ticked: the empty seats are played by CPU players. Untick it to play only with people.

A room closes after 15 minutes without activity, and rooms end when the game server is updated: the game then tells you so. If you see “Lost connection to the server”, check your internet connection. In every case, create a new room or join again with the room code.

• Click or tap in the game once. Browsers only start sound after a click or tap.
• Press N to switch the music on and off and M to mute everything. The buttons with the note and the speaker do the same.
• Check the volume and that your device is not set to silent.

On your device, in your browser: the name you used last and your music and sound choices. There are no accounts. A different browser or device starts fresh, and clearing the site data for the game removes them. See the privacy policy for exactly what is stored and sent.

Close other tabs and apps and keep the device charged: battery saver modes slow games down. Sludge Sumo is a 3D game, so older phones and computers may struggle.

Email support@razakigames.com and tell us:

• your device and its system version (for example, iPhone 13 on iOS 18);
• the browser and version;
• the arena, the mode, and what happened against what you expected;
• the room code, if it is about a room that would not open or join;
• a screenshot or short screen recording, if you can.