First-order effects

• Engine selection for announced PS5 and Xbox Series X/S titles now has a gravitational default: with over half of upcoming games on Unreal, developer hiring, middleware compatibility, and console-maker optimization work cluster around Epic's toolchain.
• Competing engine vendors and studios running proprietary tech face the choice at exactly the moment next-generation budgets are being committed — switching costs only rise once production starts.

Second-order effects

• Sony and Microsoft have incentive to keep their platform tools and certification pipelines tuned for Unreal, deepening mutual dependence even though most Fortnite play — the game funding Epic's engine push — happens on their consoles, a tension Ars Technica flagged during Epic's fights with Apple and Google.
• Rival engine makers must answer on price and feature parity against terms Epic already cut to the bone in 2018, squeezing the middle of the market between Unreal and in-house engines.

Third-order effects

• If the pattern holds, AAA development consolidates around a couple of licensed engines, turning Epic's royalty terms into de facto industry infrastructure — leverage that cuts both ways, as Epic later moved to raise non-gaming licensing prices after hitting what Sweeney called financial problems.
• A dominant engine position also becomes the distribution rail for Epic's broader ambitions — the persistent-universe and metaverse build-out Sweeney describes in later interviews runs on the same installed base these console share numbers represent.