I played through the game together with my girlfriend and so I can't really say anything about the singleplayer experience. But the game suffers from some performance issues so severe that I doubt the game runs much smoother in singleplayer. If you're not ok with playing a game that rarely manages to put out a stable 30fps, then maybe this peticular game is not for you.

Performance issues aside tho, it's a somewhat solid game that tries to walk in the same footsteps as it's predecessor, but doesn't fill the shoes all that well. The first Hyrule Warriors was better paced and the maps were better designed than in Age pf Calamity. In the first Hyrule Warriors the maps where designed with connectivity in mind where each road and outpost led to other roads and outposts. This brought a nice flow to how you moved around the maps. In Age of Calamity a lot of outposts are situated at dead ends with narrow passageways which disrupts the general flow of movement in the game and makes to maps unclear and difficult to navigate.

Overall it's a slightly lukewarm successor to the superior Hyrule Warriors that starts to drag quite a bit in the later half of the game, especially towards the end. To be honest, if it weren't for my girlfriends companionship I probably wouldn't have gotten through the entirety of it. Good company really does make any situation bearable, huh.