Mizuki: Crowned by Moonlight is a 3D browser-based extraction game. Explore, fight, and gather loot, then choose whether to push your luck or escape with your rewards. Built with Astra, PlayCanvas, WebGPU, and Rive, it brings risk-and-reward gameplay directly to the web. Play in a WebGPU-compatible browser, with no installation required.

What real task does your product handle with GPT-6 Astra?

Our product uses GPT-6 Astra to help build and validate Mizuki, a browser-based dark-fantasy action game. It handles real development tasks such as implementing gameplay systems, procedural maps, enemy AI, equipment, UI, WebGPU rendering, automated testing, and deployment. GPT-6 Astra is currently a development assistant, not an in-game player feature.

Hi everyone! I’m the creator of Mizuki: Crowned by Moonlight, a 3D browser-based extraction game built with Astra, PlayCanvas, WebGPU, and Rive. I wanted to bring the tension of extraction gameplay to the browser: explore, fight, gather loot, and decide whether to push your luck or get out with what you’ve found. That choice—one more encounter, or a safe escape—is at the heart of the experience. This project is also my way of exploring what’s possible when AI-assisted development meets modern web graphics and interactive design. I’d love to hear your thoughts on the gameplay, controls, visuals, and performance. What works for you, and what would make you want to jump into another run? If you encounter any technical issues, sharing your browser and device details would be especially helpful. Thanks for checking it out!

What real task does your product handle with GPT-6 Astra?

Mizuki: Crowned by Moonlight

3D web extraction game with Astra, PlayCanvas, WebGPU & Rive

3D web extraction game with Astra, PlayCanvas, WebGPU & Rive