Snake

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "$schema": "https://json.schemastore.org/chrome-manifest",
  "name": "Snake",
  "short_name": "Snake",
  "version": "2.2.19",
  "description": "The authentic snake game in a popup. Smooth animations and a saved high score!",
  "icons": {
    "16": "images/head.png",
    "48": "images/head.png",
    "128": "images/head.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": {
      "16": "images/head.png",
      "24": "images/head.png",
      "32": "images/head.png",
      "48": "images/head.png",
      "128": "images/head.png"
    },
    "default_popup": "index.html"
  },
  "offline_enabled": true,
  "manifest_version": 3
}