# Proton City

> Adds Proton City compatibility scores to Steam store pages.

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

## Overview

- **ID:** `proton-city`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Aaron Christiansen
- **Category:** shopping,games-entertainment
- **Daily users:** 1
- **Version:** 1.1resigned1
- **Last updated:** 2024-04-26
- **First published:** 2018-09-01
- **Size:** 9.55 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/proton-city/)

## Description

Proton City is a powerful Firefox add-on that adds compatibility scores to Steam store pages, helping you determine if a game is compatible with Proton City.

## Rankings

- #113,702 — Overall

## Permissions and access

### Permissions

- `*://proton.city/*`

### Content script matches

- `store.steampowered.com`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial 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).

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