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ship the demo devday 2026

A free browser game — play it in your browser, no install. Playable OpenAI DevDay 2026 contest entry

by @Yurii201811 · Yurii201811/ship-the-demo-devday-2026 on GitHubLANG JavaScriptHOSTED ON YURII201811.GITHUB.IOUPDATED 17 Jul 2026

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Best with a keyboard.

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From the README

Playable OpenAI DevDay 2026 ticket-contest entry: a five-stage canvas arcade sprint where you lock context, defend the test run, track moving Image Gen art, deliver a playable link, and survive final review while keeping demo heat under control.

The contest prompt asked for a reply with #OpenAIDevDay2026, a playable link, and a quick note on how it was built. This entry is a static browser game made with Codex, a GPT-5.5 Pro critique pass, a Kimi K3 gameplay and UX pass, and Image Gen art.

Works with keyboard on desktop and tap/drag movement on phone.

Read the full README on GitHub →

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