Dev builds an FPS game from a prompt, gets addicted to playing it

eyishazyer · x · 2026-08-29

The author built a playable FPS game from a prompt using Hy4 Preview (a 770B-parameter model with 49B active and a 1M-token context window) inside WorkBuddy — and got addicted to their own creation.

The original post notes the scale is being tested on long-horizon software work, large cross-file context, research, and projects requiring repeated iteration.

Related event: Hunyuan Hy4 Builds a Playable FPS Game That Its Creator Can't Stop Playing(2 posts)→

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