# Boo!

> Simplistic, Mario bros Boos on a black background.

Canonical page: [https://chrome-stats.com/d/smbboos](https://chrome-stats.com/d/smbboos)

## Overview

- **ID:** `smbboos`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox user 11422368
- **Category:** other
- **Daily users:** 1
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2015-01-24
- **Size:** 37 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/smbboos/)

## Description

Boo! is a simplistic Firefox add-on that brings Mario Bros Boos to your browser. It showcases a collection of Boo characters on a black background, adding a touch of nostalgia and fun to your web browsing experience.

## Rankings

- #103,139 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Boo Super Mario](https://chrome-stats.com/d/boo-super-mario) — 7 users, 3.00 / 5
- [Simple Boo](https://chrome-stats.com/d/simple-boo)
- [Super Mario Odyssey Simple Black](https://chrome-stats.com/d/super_mario_odyssey_black)
- [Boo-Baby](https://chrome-stats.com/d/boo-baby)
- [Bowser](https://chrome-stats.com/d/bowser-194458) — 4 users
- [monokuro boo - simplistic](https://chrome-stats.com/d/monokuro-boo-simplistic) — 2 users, 5.00 / 5
- [Minimal Mario](https://chrome-stats.com/d/minimal-mario)
- [BoomBooM](https://chrome-stats.com/d/boomboom)
- [Boo en zijn vrienden](https://chrome-stats.com/d/boo-en-zijn-vrienden)
- [BooO\_pink\_white](https://chrome-stats.com/d/booo_pink_white)
- [Boo Halloween](https://chrome-stats.com/d/boo-halloween)
- [BOO by candelora](https://chrome-stats.com/d/boo) — 1 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/smbboos)