Minecraft
a world of imagination!
At the start
Minecraft is a game about placing and breaking all sorts of blocks. At first most beginner players make a place to fight off mobs, but as they went on the started making wonderful creations with friends. And this is how it starts.....
mods
Mods and mobs what's the difference? Well mobs are like a player in the game except they want to kill you. Mods are special modification's that people (who are called modders) make using Minecraft coder packs and either ModLoader or Minecraft Forge.
Official Minecraft Trailer