GOW is my GOTG, absolutely incredible game, from the layers of gameplay it gradually adds to some of the enemy design (Revenants, Travelers and Wulvers etc) the level of production and a return to more linear, no bloat experience. So that would be my number one pick!
Ghost of Tsushima was my GOTY for last year, the combat is so gratifying, especially perfect parry's. The opening is spectacular, the island is so beautiful and the mystic quests are some of my favorite missions in any game. There are somethings that need improvement in a sequel, like the stealth is too easy but overall it's an excellent game (Maybe a few too many fox dens if you go for platinum) Number 2 for me.
Horizon has an interesting story, it's layered in the present and past of that world. The highlight of the game is combat against robots and the different robot designs.
However human combat is not very satisfying at all and exploration is like Uncharted climbing but just on an open world map. Traversal isn't that good in it either, the mounts just don't feel that good, it really needs a flying mount or something really weird to make it more interesting.
But it is worth it if you can get through the opening few hours to fight some of the bigger robots, like the thunderjaw. (as many have stated, this game is not nearly as good as the other two)
Death Stranding has a far more interestingly realized world than Horizon, if you have not played it. Many people attacked it for being a delivery simulator but it's actually an incredible game if you are a thoughtful and introspective kind of person.