Super Mario All-Stars – World Improvement Chrome Extension
Updated August 26, 2026
Install, pin and open it — 3 steps, about a minute.
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Step 1 of 3
How to install and use Super Mario All-Stars
Add it from the Chrome Web Store
Open the store page below and click the blue “Add to Chrome” button, then confirm with “Add extension”. It is free and takes a few seconds.
Pin it to your toolbar
Click the puzzle-piece icon at the top right of Chrome, find this extension in the list, and click the pin next to it. Its icon then stays visible in the toolbar.
Click the icon to start
Select the extension icon in the toolbar and it opens right there. No account and no sign-in — everything runs inside your browser.