so first you get the brief ending by immediately clicking the person. Then, click this second button down on the top right to go to your last checkpoint. Then, click the eye and the person as fast as you can to get the double whammy ending and click the button to go back to your last checkpoint again. Then, shoot the eye again and hold space to skip dialogue. next, when the screen fades to white you should spam click a little right of the left edge of the eye, and you will wake up the person really quickly. From there, click breathe and when the person gets into the air click him and use spacebar to skip dialogue. after he falls and you get the ending, go back to your last checkpoint again and this time wait and click combust. After the person dies go back to last checkpoint and click the "can we get much higher" option. Then, click the amongus character and you have completed five endings.