What is Mario Kart Countdown?

Mario Kart Countdown is a Chrome extension developed by Unknown, and its main feature is "Mario Kart race start sounds".

Extension Screenshots

Download Mario Kart Countdown Extension CRX File

Download Mario Kart Countdown extension files in crx format, manually install Chrome extensions in the browser, or share the crx files with friends to easily install Chrome extensions.

Extension Usage Instructions

Need a 3, 2, 1 Countdown? Love playing Mario Kart? Then this extension is for you. Simply toggle the extension and hear the Mario Kart Countdown sounds start to play.

Extension Basic Information

Name	Mario Kart Countdown
ID	bibecgleddbhkpinbldiicgldejgjbkd
Official URL	https://chromewebstore.google.com/detail/mario-kart-countdown/bibecgleddbhkpinbldiicgldejgjbkd
Description	Mario Kart race start sounds
File Size	517 KB
Installation Count	1,666
Current Version	0.0.2
Last Updated	2019-11-07
Publish Date	2019-11-04
Developer	Unknown
Payment Type	free
Supported Languages	en-US
manifest.json
{ "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx", "name": "Mario Kart Countdown", "version": "0.0.2", "description": "Mario Kart race start sounds", "manifest_version": 2, "background": { "scripts": [ "background.js" ] }, "browser_action": { "default_title": "Mario Kart Countdown", "default_icon": { "16": "src\/assets\/16icon.png", "48": "src\/assets\/48icon.png", "128": "src\/assets\/128icon.png" } }, "content_scripts": [ { "js": [ "src\/marioKartarize.js" ], "matches": [ "http:\/\/\/", "https:\/\/\/" ] } ], "permissions": [ "activeTab", "http:\/\/*\/" ], "web_accessible_resources": [ "mario.png", "portal-rules.png", "portal-rules.mp3", "MarioKartCountdown.mp3" ] }