Old school Super Mario Bros. backgrounds (including the dungeon at the bottom) darkened so it doesn't distract too much.
Super Mario World Retro is available to install from Firefox Browser Add-ons and for download from this page. It has 49 active users The latest version is 2.0, and it was published 2 years ago.
Install from Firefox Browser Add-onsTotal download count: 0
All available versions
You can find the current and older versions of Super Mario World Retro here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
1 version available for download. Install XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Super Mario World Retro ZIP file
- In Firefox browser, go to
about:addons
to open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Super Mario World Retro ZIP file from step 1. Super Mario World Retro is now installed on your browser.