1, Spaceship follow mouse pointer all the time 2, Spider - a, Appear randomly at different edges of the stage b, Move towards the spaceship c, Create more clones to appear randomly 3, Bullet - a, when mouse is clicked b, Create bullet clones c, Appear at the spaceship then move towards the mouse's direction d, If the clone touches any edge, delete the clone 4, Score - if spider touches the bullet, increase score by 1 and delete the spider clone 5, Game Over - a, Set health to 10 b, If spider touches spaceship minus health by 1 c, If health is 0 game end 6, High Score System - a, If it's your first game, add your score straight into the high score list b, If this is not your first game, you have to check your score against other scores, and place them at the right position.
Credit to Codercoon!
