Entirety of Pokemon Red for Gameboy, encoded into Minecraft red stone.

21 months of work and 357,000 command blocks, a truly spectacular project by MrSquishy.

Game-Ception: Pokemon Red Playable Inside Minecraft

If you’ve ever wanted to take a dive into and visualize a game’s code, this could be a seminal example in a literal sense. After twenty-one months of effort, the entire Pokemon Red game is now playable inside Minecraft. [Mr. Squishy] is the mad genius behind this project, laboriously re-coding the game literally block by block.