This is an unofficial, fan-made, satirical browser game. It is not affiliated with, endorsed by, or operated by the Food and Environmental Hygiene Department (FEHD), the 1823 hotline, or any Hong Kong or other government body, department or company. Department names, characters and events in the game are fictional parody for entertainment only.
本遊戲為非官方同人諷刺小遊戲，與食物環境衞生署（食環署）、1823 或任何政府部門、機構或公司均無關係，亦未獲其認可。遊戲內提及的部門、人物及事件均屬虛構，純屬娛樂。
A free single-player strategy game: place traps and clean up a Hong Kong back alley, then try to catch the rats at night. It runs entirely in your browser (HTML5 + three.js).
No sign-up, no login, no accounts, no payments, no ads, no tracking or analytics, and no forms. The game never asks for personal information. Your progress is saved only in your own browser (localStorage) and is never sent anywhere.
無需註冊或登入，不收集任何個人資料，不設付款、廣告或追蹤。遊戲進度只儲存在你自己的瀏覽器。