Is the quality and quantity of games superior on Steam or on Windows?

To answer this accurately, it helps to clear up a common distinction first: Steam and Windows aren't direct competitors—they exist on different levels.

• Windows is an operating system (OS).

• Steam is a digital storefront, community platform, and game launcher that runs on Windows (as well as Linux and macOS).

Because virtually every game on Steam is built to run on Windows, Windows as an overall platform naturally has every Steam game, plus thousands more available through other storefronts (like Epic Games Store, GOG, itch.io, or standalone launchers like Riot/Battle.net).

However, if we compare the Steam Store directly against Microsoft’s built-in Windows gaming ecosystem (the Microsoft Store & PC Game Pass), the dynamic becomes much more interesting.

1. Quantity: Steam is the Undisputed Heavyweight

When comparing catalog sizes directly between stores, Steam overwhelmingly dominates Microsoft's native storefront.

• Steam Store: Hosts over 125,000+ games in its active catalog, with roughly 20,000 new releases added every year. It is the default home for indie developers, early-access projects, Japanese import titles, and retro re-releases.

• PC Game Pass / Microsoft Store: Offers a curated library of roughly 500 to 1,000 active titles at any given time. While Game Pass rotates its catalog regularly, its overall volume is a tiny fraction of Steam's.

Examples: Niche indie hits and complex simulation games—like Factorio, RimWorld, Caves of Qud, or Balatro—either launched or built their massive player bases on Steam long before (or without ever) touching the Microsoft Store.

2. Quality: Subscription Value vs. Platform Features

"Quality" depends on whether you measure it by game budget & subscription value or platform features & modding support.

AAA Value & Subscriptions (Edge: Microsoft / PC Game Pass)

If "quality" means getting immediate access to top-tier $70 "AAA" blockbusters for a low monthly fee, Microsoft’s PC Game Pass ecosystem wins.

• Day-One Blockbusters: Major releases like Starfield, Forza Horizon 5, Call of Duty, and upcoming Bethesda or Xbox titles launch on day one on PC Game Pass without requiring you to pay full retail price.

• Steam Equivalent: On Steam, you must buy these titles outright at launch, though Steam's seasonal sales (Summer/Winter Sales) offer massive discounts on older games.

Community, Modding, & Platform Quality (Edge: Steam)

Steam provides an overwhelmingly superior user experience for managing, playing, and customizing your games.

• Steam Workshop & Modding: Installing mods on Steam is often a single-click process via the Workshop (e.g., for Left 4 Dead 2, Cities: Skylines, or Civilization VI). On Microsoft's store, locked file structures can make manual modding cumbersome.

• Community Transparency: Steam’s user review system, community guides, and discussion boards give immediate, honest feedback on game performance or bugs before you spend money.

• Controller Support (Steam Input): Steam automatically configures almost any controller (PlayStation, Switch Pro, generic gamepads) to work with any PC game.

Quick Comparison

Feature
Steam Store
PC Game Pass / Microsoft Store

Total Catalog Size
125,000+ games
~500–1,000 active titles

Indie Availability
Unmatched (Early Access, obscure indies)
Highly curated; limited selection

Monetization Model
Buy-to-own (deep seasonal sales)
Subscription model (renting) or buy-to-own

Community Features
Workshop mods, user reviews, forums
Basic achievements, Xbox social overlay

Day-One AAA Value
Full retail price ($60–$70)
Included in monthly subscription

Summary Verdict

• For overall quantity, modding, and long-term library ownership: Steam wins by a landslide.

• For maximum AAA value on a budget: PC Game Pass on Windows wins for letting you play new $70 releases for a flat monthly subscription.

Note: You don't actually have to choose—most PC gamers use Steam as their primary home for game collection while keeping a PC Game Pass subscription active whenever a big blockbuster drops!