SLAP THAT GREEN FLAG 3 TIMES!!! Move your mouse to change the position of the gun. Press space to shoot, move up and down with the arrow keys or WS, and make sure those enemies don't touch the castle! Also, buy upgrades to make you and your base stronger! Enjoy!
I got the music and sound effects from Pixabay.com. Otherwise, all me! Comment your score! :D (My best is 274) Please tell me any suggestions or bugs in the comments.