In Minecraft you have the option to either go and survive and fend for yourself or you can go into creative mode and build whatever you want. You can build the mansion of your dreams or an elaborate redstone circuit. Or how about build a giant model of yourself or a scale replica of a famous painting, you get the idea. With Minecraft your endless creativity can be put into virtual reality with a couple of hours work. You can also invite friends to help with your creations. This also leads to the next part which is...