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The IP address of Mostheus Minecraft server is mostheus.com
Open the game Minecraft, click "Play" button then choose "Multiplayer" option from the menu. Click "Add Server" tab and input the text mostheus.com on "Server Address" then hit "Done". Once the connection is available and turns green you may click on "Join Server" button to play on Mostheus.
Mostheus server supports Minecraft game version: 1.13, you may also use any other older or lower versions to connect and play.