turtle.py

import random
import turtle

# instances
screen = turtle.Screen()
count_down_turtle = turtle.Turtle()
score_turtle = turtle.Turtle()

# colors
screen.bgcolor("black") 
count_down_turtle.color("dark gray")
score_turtle.color("cadet blue")

FONT = ('Arial', 20, 'normal')
game_over = False
turtle_list = []
score = 0


def setup_score_turtle():
    score_turtle.hideturtle() # hide arrow
    score_turtle.penup() # don't draw a line

    top_height = screen.window_height() / 2  # positive height/2 is the top of the screen
    y = top_height - top_height / 10  # decreasing a bit so text will be visible
    score_turtle.setposition(0, y)
    score_turtle.write('Score: 0', align='center', font=FONT)

def make_turtle(x, y, grid_size=10):

    def handle_click(x, y):
        global score
        score += 1
        score_turtle.clear()
        score_turtle.write(f"Score: {score}", align="center", font=FONT)
        print(x, y)

    t = turtle.Turtle("turtle")
    t.shapesize(2, 2)
    t.color("green")
    t.penup() # don't draw
    t.onclick(handle_click)
    t.goto(x * grid_size, y * grid_size)
    turtle_list.append(t)

def setup_turtles():
    x_coordinates = range(-20, 21, 10)
    y_coordinates = range(-20, 21, 10)
    for x in x_coordinates:
        for y in y_coordinates:
            make_turtle(x, y)

def hide_turtles():
    for t in turtle_list:
        t.hideturtle()

def show_turtles_randomly():
    if not game_over:
        hide_turtles()
        random.choice(turtle_list).showturtle()
        screen.ontimer(show_turtles_randomly, 500)

def countdown(time):
    global game_over
    count_down_turtle.hideturtle()
    count_down_turtle.penup()
    top_height = screen.window_height() / 2
    count_down_turtle.setposition(0, (top_height - top_height / 10) - 30)
    count_down_turtle.clear()


    if time:
        count_down_turtle.write(f"Time: {time}", align="center", font=FONT)
        screen.ontimer(lambda: countdown(time - 1), 1000)
    else:
        game_over = True
        count_down_turtle.clear()
        hide_turtles()
        if score:
            count_down_turtle.color("green")
            count_down_turtle.write("You Win!", align='center', font=FONT)
        else:
            count_down_turtle.color("crimson")
            count_down_turtle.write("Game Over!", align='center', font=FONT)

def start_game_up():
    global game_over
    game_over = False
    turtle.tracer(0)
    setup_score_turtle()
    setup_turtles()
    hide_turtles()
    show_turtles_randomly()
    turtle.tracer(1)
    screen.ontimer(lambda: countdown(10), 10)

start_game_up()
turtle.mainloop()