With some of its core features like Lumen and Nanite, Unreal Engine 5 is a demanding game engine that often struggles to run properly on PlayStation 5 and Xbox Series X, so it's not surprising to see that very few games powered by the Epic engine are available on Nintendo Switch 2. However, this could change in the future, as Yoshi and The Mysterious Book will be powered by Unreal Engine 5, a first for a first-party Nintendo game.
The news has been confirmed in a new report from GoNintendo, following the game's Japanese box art emerging online that showed the Unreal Engine logo. While it isn't outright surprising that a Nintendo first-party game is powered by Unreal Engine, as Yoshi's Crafted World, Princess Peach: Showtime! and Pikmin 4 all used Unreal Engine 4, though the latter in combination with Nintendo EPD's own proprietary engine, Yoshi and The Mysterious Book using Unreal Engine 5 is significant, as optimizations made for this game to run at the steady performance Nintendo games always do on each respective system could be easily adopted by other development studios for their games.
Even before the Nintendo Switch 2 launched, there were concerns about its CPU and how it could handle Unreal Engine 5-powered games like Yoshi and The Mysterious Book. The concerns, unfortunately, were confirmed by the first batch of games, as titles such as Cronos: The New Dawn, Fortnite, and Split Fiction do run on the system, but without the engine's core features like Lumen and Nanite. However, the new Lumen Quality Mode currently undergoing testing in Unreal Engine 5.8 could be one of the engine's features that will prevent extreme scaling down of future port.
However, as development of the engine and its features continues, including Lumen Irradiance Cache, the time when the system will have an easier time running the demanding Epic game engine may not be too far off. Hopefully, the first glimpse of this new era will indeed come when Yoshi and The Mysterious Book releases on May 21.
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