Epic's Vertical Stack Fueled by Fortnite
Epic Games
A game store only becomes a habit when players feel they have to install it, and that usually starts with one game they cannot ignore. Origin and Battle.net were tied to their publishers' own catalogs, but Steam became the default PC launcher by bundling store, updates, cloud saves, friends, and a broad third party marketplace. Epic was the first serious challenger because Fortnite gave it a built in reason for hundreds of millions of players to enter Epic's ecosystem, while the 12% take rate gave developers a clear economic reason to care.
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Origin and Battle.net had big titles, but mostly publisher specific ones. That made them destination launchers for EA and Activision games, not the place players opened first for everything. Steam won by becoming the universal library and operating layer for PC gaming.
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Epic added a second wedge beyond Fortnite. It cut the store fee to 12%, versus Steam's 30%, so developers selling a $60 game kept materially more revenue on every sale. Fortnite then supplied the traffic that made that lower fee credible, rather than just theoretical.
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The deeper pattern is vertical integration. Epic controls the engine, the hit game, and the store. That is the same stack Valve used with Steam, except Epic started with a live service giant that generated billions in in app spending and could subsidize store expansion.
The next phase is less about launching another store and more about owning recurring player attention. Companies with a giant live game, creator tools, and payment leverage will have the best shot at shifting distribution power away from Steam. Everyone else will remain an add on launcher, not a real platform.