Press the arrow keys to make your decision each time you get the player to say what you want him to. Use full-screen until trivia time is done. Use the left and right arrow keys to avoid meteors at that meteor time. When the player needs a space helmet, click on the space helmet to give it to him (you can't get a game over at this part).
WOW! 53 scripts? I think this is the hardest-to-make project I've ever developed on scratch!