Minecraft is filled with little bits of programming for players to mess around with, and things get really wild when you learn how to use command blocks. You can literally make working cars with them ...
Expert Minecraft Gamer SB737 constructs a massive, automated command block factory to revolutionize gameplay and automate complex tasks within his challenging Minecraft Hardcore world.
Tom's Hardware on MSN
Player builds working AI chatbot in vanilla Minecraft using 445K command blocks
Hopefully they didn't have to buy extra RAM for this.
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