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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "R",
  "description": "Play as the helpless block and avoid the red missiles!",
  "version": "2.3.1",
  "app": {
    "launch": {
      "local_path": "index.html"
    }
  },
  "icons": {
    "16": "favicon.ico",
    "24": "440X280_Banner.png",
    "128": "Icon.png"
  },
  "manifest_version": 2,
  "permissions": [
    "unlimited_storage",
    "notifications"
  ]
}