Dev discovers his game-testing agent adds two humans to check mixed-reality accessibility for kids and adults

nptacek · x · 2026-10-02

Developer Aidan Wolf shared a surprising discovery: while having an AI agent playtest his mixed reality game, he wondered why it kept inserting two human references into scenes. It turned out the agent was autonomously checking whether the gameplay is reachable and playable by both kids and adults — an unprompted accessibility verification.

The case highlights unexpected yet sensible emergent behavior from agents in automated playtesting.

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