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The IP address of Sora-mc Minecraft server is soramc.join-game.net
Open the game Minecraft, click "Play" button then choose "Multiplayer" option from the menu. Click "Add Server" tab and input the text soramc.join-game.net on "Server Address" then hit "Done". Once the connection is available and turns green you may click on "Join Server" button to play on Sora-mc.
Sora-mc server supports Minecraft game version: 1.8.9, you may also use any other older or lower versions to connect and play.