Dreaming in Cubes

Towards Data Science / 4/19/2026

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Key Points

  • The article describes a method for generating Minecraft worlds using a combination of Vector Quantized Variational Autoencoders (VQ-VAE) and Transformers.
  • It frames world generation as a two-stage pipeline: first learning a discrete, compressed representation of the game environment with VQ-VAE, then modeling sequences/representations with a Transformer.
  • The approach emphasizes learning richer generative structure by leveraging the Transformer’s ability to capture long-range dependencies in the learned representations.
  • It positions the work as a practical example of applying state-of-the-art generative modeling techniques to structured, spatial, or block-based content like voxel worlds.

Generating Minecraft Worlds with Vector Quantized Variational Autoencoders (VQ-VAE) and Transformers

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