This is first game developed by me using pygame.

• This is a pygame about earth and aliens.
• The player controls a spaceship using mouse or keyboard.
• Aliens are coming from opposite side. You can simply dodge them or hit them.

• You can download the game from release section or from here.
• After downloading unzip the downloaded folder i.e. Alien Attack.zip.
• Now run AlienAttack.py file and game window will appear. Start playing and have fun.

• Download and install Python(2.7.13 or higher version) and set environment variables. Link to download Python2.7.14 is here.
• Download any compiler or text editor to run python files. I use Geany. Link to download Geany is here.
• Set environment variables for Geany to run .py files.
• Install pygame module for your version of Python. You can download latest version from here.
• Make sure that pygame module is working for your current version of Python and your operating system.

• After completing all above steps open AlienAttack.py file with your text editor i.e. Geany and Compile it.
• After succesful compilation Run the file. Game window will appear and you can start playing.
• All the commands and instructions to play the game are given in README.txt file.

1. Player is given 3 Lifes, 5 Superbullets and infinite spaceship bullets in the beginning of the game.
2. Keyboard Controls are-

• SPACE - To hit an alien
• LEFT TAB - To use super bullet
• KEY A or LEFT ARROW - Move left
• KEY D or RIGHT ARROW - Move right
• KEY S or DOWN ARROW - Move Down
• KEY W or UP ARROW - Move Up
• KEY P - Pause the game
• ESCAPE - Exit the game

3. Mouse Controls-

• Use the mouse to move the spaceship

4. Difficulty Level-

• As the game progresses, difficulty level increases.

5. Powerups-

• Heart Sign Powerup - To increase the no of lifes(Max lifes = 3).
• Energy Sign Powerup - To increase the no of superbullets(Max = 9)

6. Aliens-

• There are three types of aliens coming
• Alien: Hit once to destroy. Score - 10 per alien destroyed.
• Alien1: Hit once to destroy. Score - 15 per alien destroyed.
• Super Alien: Hit thrice to destroy. Score - 30 per alien destroyed.

7. Super Bullets-

• Max no of super bullets to store is 9.
• Super bullet doesn't get destroyed until it reaches the end of screen.
• It can destroy any type of alien with one hit.
• Also, player get more score if he/she destroys aliens with super bullets.
• Score for different aliens is as following-
  Alien - Score of 20, Alien1 - Score of 30 and Super Alien - Score of 60

• Everyone is welcome to contribute on this project.
• First time PRs are also welcome. PRs will be accepted for Hacktoberfest.
• You can read from CONTRIBUTING.md file or click here to know what you can contribute to.
• You can contribute by opening an Issue and also by solving a current issue if possible.
• Or you can contribute by suggesting new features, improvements or bug fixes.
• Fork the project to your GitHub account
• After forking enter the following commands in your terminal or git bash:

$ git clone https://github.com/vichitr/Alien-Attack
$ cd Alien-Attack
$ vi AlienAttack.py

• Kindly send Pull Requests with explanation for the changes you have done.

• This software is developed under Apache License 2.0