Fix Game Over screen does not appear when no moves are left in 2048 game

Author: yuvraj-k-singh

games/2048-Game/2048-Game.py

@@ -1,6 +1,5 @@
 import tkinter as tk
 import random
-import os
 from pathlib import Path
 
 GRID_SIZE = 4
@@ -45,12 +44,13 @@ class Game2048:
     def __init__(self, root):
         self.root = root
         self.root.title("2048 Game")
+        self.root.resizable(False, False)
 
         self.score = 0
         self.high_score = self.load_high_score()
 
         self.main_frame = tk.Frame(root, bg=BACKGROUND_COLOR)
-        self.main_frame.grid()
+        self.main_frame.grid(padx=10, pady=10)
 
         self.score_label = tk.Label(
             root,
@@ -70,10 +70,10 @@ def __init__(self, root):
         self.cells = []
         self.board = [[0] * GRID_SIZE for _ in range(GRID_SIZE)]
 
+        self.game_over_label = None
+
         self.create_grid()
-        self.add_new_tile()
-        self.add_new_tile()
-        self.update_grid()
+        self.start_new_game()
 
         self.root.bind("<Key>", self.handle_keypress)
 
@@ -89,7 +89,7 @@ def save_high_score(self):
         try:
             HIGH_SCORE_PATH.write_text(str(self.high_score))
         except Exception as e:
-            print(f"⚠️ Warning: Could not save high score: {e}")
+            print(f"Warning: Could not save high score: {e}")
 
     def create_grid(self):
         for row in range(GRID_SIZE):
@@ -110,27 +110,31 @@ def create_grid(self):
                     pady=CELL_PADDING
                 )
 
+                frame.grid_propagate(False)
+
                 label = tk.Label(
-                    self.main_frame,
+                    frame,
                     text="",
                     bg=EMPTY_CELL_COLOR,
                     justify=tk.CENTER,
-                    font=("Arial", 24, "bold"),
-                    width=4,
-                    height=2
+                    font=("Arial", 24, "bold")
                 )
 
-                label.grid(
-                    row=row,
-                    column=col,
-                    padx=CELL_PADDING,
-                    pady=CELL_PADDING
-                )
+                label.place(relx=0.5, rely=0.5, anchor="center")
 
                 row_cells.append(label)
 
             self.cells.append(row_cells)
 
+    def start_new_game(self):
+        self.board = [[0] * GRID_SIZE for _ in range(GRID_SIZE)]
+        self.score = 0
+
+        self.add_new_tile()
+        self.add_new_tile()
+
+        self.update_grid()
+
     def add_new_tile(self):
         empty_cells = []
 
@@ -168,9 +172,7 @@ def update_grid(self):
 
     def compress(self, row):
         new_row = [num for num in row if num != 0]
-
         new_row += [0] * (GRID_SIZE - len(new_row))
-
         return new_row
 
     def merge(self, row):
@@ -184,7 +186,6 @@ def merge(self, row):
 
     def move_left(self):
         moved = False
-
         new_board = []
 
         for row in self.board:
@@ -198,7 +199,6 @@ def move_left(self):
             new_board.append(final)
 
         self.board = new_board
-
         return moved
 
     def reverse(self):
@@ -228,6 +228,7 @@ def move_down(self):
     def check_game_over(self):
         for row in range(GRID_SIZE):
             for col in range(GRID_SIZE):
+
                 if self.board[row][col] == 0:
                     return False
 
@@ -243,7 +244,6 @@ def check_game_over(self):
 
     def handle_keypress(self, event):
         key = event.keysym
-
         moved = False
 
         if key == "Left":
@@ -258,6 +258,9 @@ def handle_keypress(self, event):
         elif key == "Down":
             moved = self.move_down()
 
+        else:
+            return
+
         if moved:
             self.add_new_tile()
 
@@ -267,27 +270,40 @@ def handle_keypress(self, event):
 
             self.update_grid()
 
-            if self.check_game_over():
-                self.game_over()
+        # FIXED BUG:
+        # Game over is now checked even when no movement happens
+        if self.check_game_over():
+            self.game_over()
 
     def game_over(self):
+
+        # Prevent duplicate labels
+        if self.game_over_label is not None:
+            return
+
+        # Disable controls after game over
+        self.root.unbind("<Key>")
+
         self.game_over_label = tk.Label(
             self.root,
             text="GAME OVER",
             font=("Arial", 24, "bold"),
             fg="red"
         )
+
         self.game_over_label.grid(pady=10)
 
     def restart_game(self):
-        if hasattr(self, 'game_over_label'):
+
+        # Remove old game over label
+        if self.game_over_label is not None:
             self.game_over_label.destroy()
-            
-        self.board = [[0] * GRID_SIZE for _ in range(GRID_SIZE)]
-        self.score = 0
-        self.add_new_tile()
-        self.add_new_tile()
-        self.update_grid()
+            self.game_over_label = None
+
+        self.start_new_game()
+
+        # Re-enable keyboard controls
+        self.root.bind("<Key>", self.handle_keypress)
 
 
 if __name__ == "__main__":