Plus multiplayer.
Both are great though.
Yeah don't get me wrong, Zelda is excellent
BUT
The core "gameplay" just isn't as strong to me. It has a better open world/discovery/NPCs and in general is more pleasing to play (since it's more lighthearted). Granted, I haven't played any of the dungeons yet in TOTK but just going by the exploration you can see that Zelda still does suffer similar flaws that other open worlds do - checklist, repetitive tasks scattered throughout. I haven't particularly found the NPC side quests all that interesting either (generally fetch quests and the like). The massive underworld section doesn't seem TOO compelling either, and is somewhat of a missed opportunity. Combat remains clunky and unsatisfying. Thus far I am not seeing the *big step up* from BOTW. The vehicle stuff is neat I suppose but still just doesn't do a whole lot for me.
The puzzles in TOTK haven't been all that strong either. The shrine system and mechanics are a bit better in TOTK than BOTW, but still kinda feel like you're just quickly rushing through some simple tasks rather than building into something more grand like the previous Zelda titles. Honestly TOTK is making me appreciate something like Skyward Sword....it still holds up. Sure, not nearly the exploration, but the game design is still tight and interesting and not nearly as much of a time sink.
My opinion could change of course as I go through TOTK. Elden Ring just managed to capture my moment to moment engagement and wonder quite a bit more. TBH though I would sort of like a hybrid of TOTK and Elden Ring which would be effectively the perfect game. TOTK discovery/sandbox systems, combined with Elden Ring Combat and progression systems and legacy dungeons, topped off with OOT/SS Dungeon design and Story focus...