Billy Hau publishes on itch.io as Billwaa. The personal site linked from the game page, billyhau.hk, introduces the developer as a former NASA engineer with a passion for STEM who teaches teenage and adult students in Hong Kong and works on engineering projects.
Also reported as: Billwaa
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A laser tower-defence game for GameDev.tv Game Jam 2026: bend a single beam of light with reflectors to burn enemies on their way to your base. The developer set out to make it without writing a line of code.
瀏覽器直接開玩
免費遊玩（itch.io）