GameCenter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "GameCenter",
  "version": "1.5",
  "description": "The Ultimate Gaming Experience",
  "permissions": [
    "storage",
    "alarms"
  ],
  "options_page": "settings.html",
  "chrome_url_overrides": {
    "newtab": "new_tab.html"
  },
  "background": {
    "page": "background.html"
  },
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "manifest_version": 2
}