Update README.md

Author: SamirPaulb

README.md

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 # PyShooter
 
-Python, Pygame, OOPs Concepts
+[![Language](https://img.shields.io/badge/language-python-blue.svg?style=flat)](https://www.python.org)
+[![Module](https://img.shields.io/badge/module-pygame-brightgreen.svg?style=flat)](http://www.pygame.org/news.html)
+
+PyShooter is a two-dimensional shooter game in which the player runs horizontally and fires at enemies.
+
+## Demo:
+
+https://user-images.githubusercontent.com/77569653/214920668-ef657089-b71f-43c8-8011-a202a09f5531.mp4
+
+[![PyShooter playing demo YouTube](https://img.youtube.com/vi/rg-49OTHZVY/0.jpg)](https://www.youtube.com/watch?v=rg-49OTHZVY)
+
+
+
+## How To Play
+
+- If you don't have [Python](https://www.python.org/downloads/) or [Pygame](http://www.pygame.org/download.shtml) installed, you can simply double click the .exe file to play the game.
+  **Note:** _The .exe file needs to stay in the same directory as the sounds, images, and font folders._
+
+Install Pygame ```pip install pygame```
+
+- If you have the correct version of Python and Pygame installed, you can run the program in the command prompt / terminal.
+
+```bash
+cd PyShooter
+python main.py
+```
+