Who is ProtonDB for Steam for?

ProtonDB for Steam is a consumer product built for linux gamers who use Steam and Proton.

Is ProtonDB for Steam free?

Yes — ProtonDB for Steam is free to use.

What platforms does ProtonDB for Steam run on?

ProtonDB for Steam runs on the web and embeddable surfaces.

Is ProtonDB for Steam still maintained?

Unverified. ProtonDB for Steam has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who makes ProtonDB for Steam?

ProtonDB for Steam is developed by MostwantedRBX.

How long has ProtonDB for Steam been around?

ProtonDB for Steam first shipped in 2022.

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ProtonDB for Steam

Name: ProtonDB for Steam
Author: MostwantedRBX

github.comBrowser DevTools & extensions

ProtonDB for Steam is a browser extension that adds ProtonDB compatibility ratings and related information to Steam game pages. It is intended for Linux gamers evaluating whether Steam games will run through Proton.

FreeWebEmbeddable

Visit github.com

1alternative

6features

2022since

Overview

6 features

ProtonDB for Steam is a Browser DevTools & extensions project. It focuses on finding Linux and Proton compatibility information for Steam games while browsing the Steam store. It is built as a consumer product for linux gamers who use Steam and Proton. ProtonDB for Steam is free to use. ProtonDB for Steam is available on the web and embeddable surfaces.

MostwantedRBX builds and maintains ProtonDB for Steam, and it first shipped in 2022. Key capabilities include compatibility ratings, steam integration, and game status display.

Summary written by a language model from the project’s public pages.

Compatibility ratings
Steam integration
Game status display
Chrome support
Firefox support
Edge support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 14:28 UTC
ProtonDB for Steam verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about ProtonDB for Steam

What does ProtonDB for Steam do?: ProtonDB for Steam focuses on finding Linux and Proton compatibility information for Steam games while browsing the Steam store. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is ProtonDB for Steam for?: ProtonDB for Steam is a consumer product built for linux gamers who use Steam and Proton.
Is ProtonDB for Steam free?: Yes — ProtonDB for Steam is free to use.
What platforms does ProtonDB for Steam run on?: ProtonDB for Steam runs on the web and embeddable surfaces.
Is ProtonDB for Steam still maintained?: Unverified. ProtonDB for Steam has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes ProtonDB for Steam?: ProtonDB for Steam is developed by MostwantedRBX.
How long has ProtonDB for Steam been around?: ProtonDB for Steam first shipped in 2022.

At a glance

Pricing: Free
Platforms: Web
Languages: English
Built for: Linux gamers who use Steam and Proton
Model: B2C
Solves: Finding Linux and Proton compatibility information for Steam games while browsing the Steam store.

Registered as

Firefox Add-ons: protondb-steam

Developer

MostwantedRBX

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: protondb-for-steam-github-com-1ibq9n
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://github.com/MostwantedRBX/proton-chrome-extension

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