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Life & fun · October 30, 2026

A working Nintendo in ~1GB of Qwen weights

An NES CPU compiled into the weights of a stock Qwen3.5 model - dbreunig/nesformer

A working Nintendo in ~1GB of Qwen weights launched on October 30, 2026 with 297 votes, #38 of 4,962 launches that month and more than 99% of that year's launches.

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In plain words

NESformer is a Nintendo Entertainment System CPU compiled into the weights of a Qwen 3.5 language model, fitting a working NES emulator into approximately 1GB of model parameters. The project allows users to run classic NES games by leveraging the language model's weights as a computing substrate. It is designed for enthusiasts interested in unconventional applications of machine learning models and retro gaming experimentation.

written from the facts on this page · October 2026

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