diff --git a/chicken-logic.py b/chicken-logic.py
new file mode 100644
index 0000000..695f955
--- /dev/null
+++ b/chicken-logic.py
@@ -0,0 +1,78 @@
+
+import pygame
+import random
+
+screen_size = [360, 600]
+screen = pygame.display.set_mode(screen_size)
+score = 0
+blue = (140, 255, 0)
+pygame.font.init()
+
+
+def load(name):
+    return pygame.image.load(name)
+
+
+def display_score(score):
+    font = pygame.font.SysFont('Comic Sans MS', 30)
+    score_text = 'Score: ' + str(score)
+    text = font.render(score_text, True, blue)
+    screen.blit(text, [40, 20])
+
+
+def get_rand_offset():
+    return 100*random.randint(5, 15)
+
+
+def set_s_position(idx, pos):
+    global score
+    if c_positions[idx] > 600:
+        c_positions[idx] = 0 - get_rand_offset()
+        score = score + 10
+    else:
+        c_positions[idx] += 5
+
+
+background = load('download.png')
+chicken = load('download (1).png')
+user = load('download (2).png')
+user_x = 160
+c_positions = [0-get_rand_offset(), 0-get_rand_offset(), 0]
+
+keep_alive = True
+clock = pygame.time.Clock()
+
+while keep_alive:
+    pygame.event.get()
+    keys = pygame.key.get_pressed()
+    if keys[pygame.K_RIGHT] and user_x < 300:
+        user_x = user_x + 10
+    elif keys[pygame.K_LEFT] and user_x > 0:
+        user_x = user_x - 10
+
+    set_s_position(0, 40)
+    set_s_position(1, 160)
+    set_s_position(2, 280)
+
+    screen.blit(background, [0, 0])
+    screen.blit(chicken, [40, c_positions[0]])
+    screen.blit(chicken, [160, c_positions[1]])
+    screen.blit(chicken, [280, c_positions[2]])
+
+    display_score(score)
+    screen.blit(user, [user_x, 500])
+
+    if c_positions[0] > 500 and user_x < 100:
+        print('crash 1', user_x)
+        score = score - 10
+
+    if c_positions[2] > 500 and user_x > 200:
+        print('crash 3', user_x)
+        score = score - 10
+
+    if c_positions[1] > 500 and user_x > 100 and user_x < 200:
+        print('crash 2', user_x)
+        score = score - 10
+
+    pygame.display.update()
+    clock.tick(100)
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