Okay so the only key you press is space. You press it after the "Hey, lets play truth or dare" dialogue. The rest is completely automatic. (the reason you have to press the spacebar instead of waiting is because I wanted them to say it at the same time, and it also keeps the dialogue from screwing up)
I made this out of complete boredom, but it was fun. This is 99.9% accurate BTW. (Like, who goes "TEE HEE" at a sleepover? We just order a pizza and lie on the floor, maybe watch a movie...)