Agar.io with command blocks in vanilla Minecraft, works on any 1.8 server.
Map Showcase:
How to install:
- Download the map.
- Extract file.
- Go to %appdata%.
- Go to .minecraft/saves folder.
- If the ?saves? folder does not exist you can create one.
- Drag map folder into it.
- Start minecraft.
- Enjoy and play.
Download Links:
For 1.8
http://file.mod-minecraft.net/download.php?file=b352470838f9e11d130508286536dfd4
Credits: SethBling