Minecraft in Minecraft - it's one of those things people have been joking about since redstone first became a thing in the game. However, MrZeffoes has decided to go outside of humorous theory, and actually create the game, inside the game. With 8 different blocks, functional gravity (for player and sand), and an expandable 32x32 world, you can play Minecraft inside Minecraft all day!
Be sure to check out the for download links (snapshot 14w20b or higher required to run it)!
Enjoy raiding and pvp in highly customizable and well organized groups, but hate the setup of Factions? Then check out my upcoming server containing multiple custom plugins and opearting on Minecraft version 1.8!