Design 2048 game

Design a low-level software system for the popular puzzle game 2048. The game is played on a 4x4 grid, and the player moves tiles around to combine matching numbers and reach the goal of creating a tile with the value 2048.

Requirements:

• The game should be played on a 4x4 grid
• The player should be able to move tiles in four directions (up, down, left, right)
• The player should be able to combine matching tiles by moving them in the same direction
• A new tile should be randomly generated with a value of either 2 or 4 after each player move
• The game should end when the player creates a tile with the value 2048 or when there are no more possible moves left
• The player's score should be displayed and updated after each move

Sample Input/Output: