Build two multiplayer game with same skeleton but different user interface

You have to make a multiplayer game using javafx and maven. You have to use intellije as I D E in this project . the code must compile and run. the steps for the project is as follow.
Creating the Game Logic
Building the User Interface
Adding Events
Adding Graphics
Adding a Game Loop
Adding Scores
Adding an Online Scoreboard
Adding Multiplayer
it will require around 60 hours of coding and 5 hours of debugging. for a professional it will take much less.