Click green flag to start. Click on 1 player/2 players to choose how many players. It will show how many players on it. Click on start to start. Please love it!!!! Controls: p1: up,down,left,right arrow keys to move your red target, L to shoot and p to reload when you play 1 player game green target will be next to your red target. p2: w,a,s,d to move your green target, 2 to shoot, 1 to reload. You both can change your aim sensitivity with the sliders at the right and left. Shoot the jet fighters, if they get so close they crash into you and lose health. Your health is at the top middle. You have 100 bullets in a magazine. Shoot the red bullets that the enemies shoot you so don't let them touch the edge ofd the screen.