diff --git a/main.py b/main.py
index fa00ed4..672c0a2 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,5 @@
 import random
+import time
 
 import pygame as pg
 from pygame import KEYDOWN
@@ -11,11 +12,37 @@
 game_active = True
 
 
-def game_over():
-    # TODO
-    global game_active
-    game_active = False
-    print('You lost!')
+def game_over(surface: pg.Surface, score: int) -> bool:
+    surface.fill(BG_RGB)
+    font = pg.font.SysFont("Comic Sans", 32)
+    button1 = font.render("Quit", True, (0, 0, 0))
+    button2 = font.render("Retry", True, (0, 0, 0))
+    lab1 = font.render("You Lost!", True, (255, 0, 0))
+    lab2 = font.render("Score: " + str(score), True, (0, 0, 0))
+    button1_rect = button1.get_rect()
+    button2_rect = button2.get_rect()
+    lab1_rect = lab1.get_rect()
+    lab2_rect = lab2.get_rect()
+    button1_rect.center = (surface.get_width()/2, surface.get_height()/2 - 25)
+    button2_rect.center = (surface.get_width()/2, surface.get_height()/2 + 50)
+    lab1_rect.center = (surface.get_width()/2, surface.get_height()/2 - 175)
+    lab2_rect.center = (surface.get_width()/2, surface.get_height()/2 - 100)
+    surface.blit(button1, button1_rect)
+    surface.blit(button2, button2_rect)
+    surface.blit(lab1, lab1_rect)
+    surface.blit(lab2, lab2_rect)
+
+    run = True
+    while run:
+        for ev in pg.event.get():
+            if ev.type == pg.QUIT:
+                pg.quit()
+            if ev.type == pg.MOUSEBUTTONDOWN:
+                if button1_rect.collidepoint(pg.mouse.get_pos()):
+                    return False
+                elif button2_rect.collidepoint(pg.mouse.get_pos()):
+                    return True
+        pg.display.update()
 
 
 def main():
@@ -25,6 +52,8 @@ def main():
     pg.display.set_caption("GDSC Dino")
     clock = pg.time.Clock()
     pg.mouse.set_visible(True)
+    start = int(time.time_ns())
+    font = pg.font.SysFont("Comic Sans", 16)
 
     player = Player(screen)
     obstacles = []
@@ -45,6 +74,9 @@ def main():
             obstacles.append(Obstacle(screen))
             next_spawn = random.randint(SPAWN_MIN, SPAWN_MAX)
         screen.fill(BG_RGB)
+        score = (int(time.time_ns()) - start) // 50000000
+        text = font.render(str(score), True, (0, 0, 0))
+        screen.blit(text, (500, 25))
         player.show(screen)
         player.update_coords(dt)
         for obstacle in obstacles:
@@ -55,7 +87,15 @@ def main():
 
         if player.rect.collidelist(
                 [obstacle.rect for obstacle in obstacles]) != -1:
-            game_over()
+            obstacles.clear()
+            player.jumping = False
+            player.rect.update(X_OFFSET, screen.get_height() - PLAYER_HEIGHT,
+                               PLAYER_WIDTH, PLAYER_HEIGHT)
+            if game_over(screen, score):
+                start = int(time.time_ns())
+            else:
+                game_active = False
+            next_spawn = random.randint(SPAWN_MIN, SPAWN_MAX)
 
         pg.display.update()