Fast Arithmetic Game

This game tests the player's ability to quickly add, subtract, multiply and divide.

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Fast Arithmetic Game",
  "short_name": "Arithmetic",
  "version": "4.2.5",
  "description": "This game tests the player's ability to quickly add, subtract, multiply and divide.",
  "icons": {
    "16": "Images/FavIcon16.png",
    "48": "Images/FavIcon48.png",
    "128": "Images/FavIcon128.png"
  },
  "app": {
    "background": {
      "scripts": [
        "Math.js",
        "MathTime.js",
        "MathScore.js",
        "MathListen.js",
        "MathKey.js",
        "MathBook.js",
        "MathLanguage.js"
      ]
    }
  },
  "offline_enabled": true
}