Use arrow keys to move the robot. Press space bar to release explosion bullets. Control explosion bullet's direction using your mouse cursor. Point your mouse cursor to where you want to release the explosion bullets and press space bar. The harmless looking alien moves vertically and the harmful looking alien moves horizontally. Both are dangerous. Every time you shoot an alien increases the score by 5. In the end of the game, share your score in the commenting area. Enjoy!
READ THE INSTRUCTIONS =================================================== Did by my own. No tutorials.
