This game feels really incompletely made, like it is still on Beta mode from how buggy it is and how counter intuitive every action in the game is. UI windows inconveniently cover the screen and cannot be resized, simple actions like moving animals require several steps, and it is disgustingly frustrating to build paths and fences, the simplest and most important objects in the game. For some reason, all guests and zoo workers apparently need the paths on the ground to find their way around and function, but the paths cannot easily be joined together or edited, and must be built in curves instead of grid.
This game is also missing simple elements that made Zoo Tycoon games fun in the past, like the ability to walk around your own zoo, interact with objects, or even just pick up trash off the ground -- instead in Planet Zoo you have to rely on staff members who will just stand around and pee their pants instead of doing their job. For some reason, Planet Zoo also has the annoying terrain pickiness mechanic of Zoo Tycoon 1, which was taken out of ZT2 for good reason. Also, the most disappointing thing is that you can't place animals outside of an exhibit in this game. It was so fun in Zoo Tycoon 2 to build up a zoo full of happy people and then set lions loose and watch the chaos unfold, but this game does not allow that. Really unfortunate.
All in all, this game is difficult and not fun enough. Bugs need to be repaired, UI needs to be improved, and more features need to be added.

This game feels really incompletely made, like it is still on Beta mode from how buggy it is and how counter intuitive every action in the game is. UI windows inconveniently cover the screen and cannot be resized, simple actions like moving animals require several steps, and it is disgustingly frustrating to build paths and fences, the simplest and most important objects in the game. For some reason, all guests and zoo workers apparently need the paths on the ground to find their way around and function, but the paths cannot easily be joined together or edited, and must be built in curves instead of grid. This game is also missing simple elements that made Zoo Tycoon games fun in the past, like the ability to walk around your own zoo, interact with objects, or even just pick up trash off the ground -- instead in Planet Zoo you have to rely on staff members who will just stand around and pee their pants instead of doing their job. For some reason, Planet Zoo also has the annoying terrain pickiness mechanic of Zoo Tycoon 1, which was taken out of ZT2 for good reason. Also, the most disappointing thing is that you can't place animals outside of an exhibit in this game. It was so fun in Zoo Tycoon 2 to build up a zoo full of happy people and then set lions loose and watch the chaos unfold, but this game does not allow that. Really unfortunate. All in all, this game is difficult and not fun enough. Bugs need to be repaired, UI needs to be improved, and more features need to be added.