diff --git a/main.py b/main.py
new file mode 100644
index 0000000..d0bf40f
--- /dev/null
+++ b/main.py
@@ -0,0 +1,10 @@
+from modules.Game import Game
+
+
+def main():
+    game = Game()
+    game.start()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/modules/Board.py b/modules/Board.py
new file mode 100644
index 0000000..8b8b10c
--- /dev/null
+++ b/modules/Board.py
@@ -0,0 +1,43 @@
+import pygame
+
+
+class Board:
+    def __init__(self, width, height, screen):
+        self.width = width
+        self.height = height
+        self.board = [[1] * width for _ in range(height)]
+        self.left = 10
+        self.top = 10
+        self.cell_size = 30
+        self.screen = screen
+
+    def render(self):
+        for y in range(self.height):
+            for x in range(self.width):
+                pygame.draw.rect(self.screen, pygame.Color(255, 255, 255), (
+                    x * self.cell_size + self.left, y * self.cell_size + self.top, self.cell_size, self.cell_size),
+                                 self.board[y][x])
+
+    def set_view(self, left, top, cell_size):
+        self.left = left
+        self.top = top
+        self.cell_size = cell_size
+
+    def on_click(self, cell_coords):
+        for x in range(self.height):
+            self.board[x][cell_coords[1]] = (self.board[x][cell_coords[1]] + 1) % 2
+        for y in range(self.width):
+            self.board[cell_coords[0]][y] = (self.board[cell_coords[0]][y] + 1) % 2
+        self.board[cell_coords[0]][cell_coords[1]] = (self.board[cell_coords[0]][cell_coords[1]] + 1) % 2
+
+    def get_cell(self, mouse_pos):
+        if self.left <= mouse_pos[1] < self.left + self.height * self.cell_size and \
+                self.top <= mouse_pos[0] < self.top + self.width * self.cell_size:
+            return int((mouse_pos[1] - self.left) / self.cell_size), int((mouse_pos[0] - self.top) / self.cell_size)
+        else:
+            return None
+
+    def get_click(self, mouse_pos):
+        cell = self.get_cell(mouse_pos)
+        if cell is not None:
+            self.on_click(cell)
diff --git a/modules/DB.py b/modules/DB.py
new file mode 100644
index 0000000..85e32a2
--- /dev/null
+++ b/modules/DB.py
@@ -0,0 +1,18 @@
+from pymongo import MongoClient
+
+
+class UseDB:
+    def __init__(self, collection_name):
+        self.series_collection = None
+        self.client = MongoClient('localhost', 27017)
+        self.db = self.client['stepik']
+        self.series_collection = self.db[collection_name]
+
+    def find_document(self, elements):
+        return [x for x in self.series_collection.find(elements)]
+
+    def insert_document(self, data):
+        return self.series_collection.insert_one(data).inserted_id
+
+    def update_document(self, query_elements, new_values):
+        self.series_collection.update_one(query_elements, {'$set': new_values})
diff --git a/modules/Game.py b/modules/Game.py
new file mode 100644
index 0000000..df5051f
--- /dev/null
+++ b/modules/Game.py
@@ -0,0 +1,31 @@
+import pygame
+from modules.Board import Board
+
+
+class Game:
+    def __init__(self):
+        pygame.init()
+        size = 500, 500
+        self.screen = pygame.display.set_mode(size)
+        pygame.display.set_caption('Чёрное в белое и наоборот')
+        self.board = Board(5, 7, self.screen)
+        self.board.set_view(100, 100, 50)
+        self.running = True
+
+    def start(self):
+        while self.running:
+            self.event()
+            self.render()
+        pygame.quit()
+
+    def event(self):
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                self.running = False
+            if event.type == pygame.MOUSEBUTTONDOWN:
+                self.board.get_click(event.pos)
+
+    def render(self):
+        self.screen.fill((0, 0, 0))
+        self.board.render()
+        pygame.display.flip()