An LLM beat Zork by cheating: analysis shows Astra played like it had a walkthrough
rajammanabrolu · x · 2026-09-29
Christopher Z. Cui's blog post breaks down how Astra became the first LLM to finish Zork I: trajectory analysis suggests it played like someone with a walkthrough, relying on memorized knowledge from training data rather than genuine exploration. Still impressive, but a warning for using text-adventure games as LLM agent benchmarks—training data contamination can invalidate such evaluations.
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