# Sonic (TTS - Sonic & Knuckles)

> This is a unofficial theme featuring Sonic the Hedgehog, Dr. Ivo Robotnik, Miles "Tails" Prower, and Knuckles the Echidna. This features all classic mainline Sonic games including the Tokyo Toy Show prototype.

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

## Overview

- **ID:** `callyssonictheme`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** CallyCobbl
- **Category:** scenery
- **Daily users:** 1
- **Weekly downloads:** 3
- **Version:** 1.0
- **Last updated:** 2022-11-30
- **First published:** 2022-11-30
- **Size:** 81 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/callyssonictheme/)

## Description

Sonic (TTS - Sonic & Knuckles) is an unofficial Firefox add-on theme that brings the iconic characters and classic mainline Sonic games to your browser. Created by Cally Cobble, this updated version features the artwork of Arif the Spriter and LouPlayer.

## Rankings

- #127,357 — 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

- [Sonic (TTS - Sonic & Knuckles)](https://chrome-stats.com/d/unofficialsonicbg) — 3 users
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- [Shadow the Hedgehog Custom Theme](https://chrome-stats.com/d/shadow-the-hedgehog-custom-) — 3 users, 5.00 / 5
- [Sonic & Lilac Theme](https://chrome-stats.com/d/sonic-lilac-theme)
- [Classic Super Sonic Theme](https://chrome-stats.com/d/classic-super-sonic-theme)
- [Simple Sonic the Hedgehog](https://chrome-stats.com/d/simple-sonic-the-hedgehog) — 4.00 / 5
- [sonic and tails theme](https://chrome-stats.com/d/sonic-and-tails-theme) — 5.00 / 5
- [SSZ Theme](https://chrome-stats.com/d/ssz-theme)
- [Sonic X The Hedgehog](https://chrome-stats.com/d/sonic-x-the-hedgehog) — 5.00 / 5

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