It mostly works, though I did run into some issues. It requires logging into your Steam account on the Switch, and then changing between platforms merely requires loading or saving after a Steam Cloud sync. Yes, if you've been playing Divinity: Original Sin 2 on PC, you can pull down your saves to the Switch and vice versa.
Probably the best new feature of Divinity: Original Sin 2 - Definitive Edition on Switch, the one that puts it ahead of its Xbox One and PS4 counterparts, is cross-save. Comparisons of Divinity: Original Sin 2 on Switch portable, Switch docked, and PC. But few RPGs offer the kind of player freedom found in Larian's sequel. It's a little obtuse at times-Definitive Edition improves upon the original in this aspect-and you will die or mess yourself up multiple times. Divinity: Original Sin 2 is digital D&D, for better or worse. Instead, you're given a host of characters, races, skills, and spells at your disposal and thrown out into a majestic sandbox where you can chart your own path. Divinity: Original Sin 2 is an RPG in all capital letters no hot, ignorant twentysomethings learning the secret history of the world and eventually fighting a vaguely Christian-themed end boss who expounds on moral philosophy. I've evangelized Divinity: Original Sin 2 and its Definitive Edition multiple times on USgamer, and I fought hard for it being one of our Top 10 games of 2017. Upon initially hearing the news, I wondered what kind of cuts were necessary to get it running on the platform, like if it would be another Doom situation.
So color me surprised when Larian Studios announced the release of Divinity: Original Sin 2 - Definitive Edition for Nintendo Switch last week. I'm glad someone wants them, but they've cut too much. They're a technical achievement, but games like Doom or Wolfenstein 2 are a bridge too far in visual compromise. I'm not willing to give up all the visual fidelity though, and the Switch can only do so much.