Critical Role has evolved quite a bit in the last few years. Not only is it a wildly successful streaming show, but the members of the show formed their own company. This company rapidly moved into comic books, prose novels, and a whole range of other products. In conjunction with Green Ronin, they published a campaign setting book, and then began to produce official D&D products in conjunction with Wizards of the Coast.
The next phase of this evolution came with the creation of Darrington Press. Darrington Press was the game arm of Critical Role, originally publishing board games based
Campaign 3 is 5e. Candela Obscura is it’s own thing. You can watch it on YouTube or on Twitch, if you’re subscribed.