at the top of your steam screen you should see a help button. click on it and go to steam support. you should see all your games. oh, you don't? not my problem T . T so click on among us. say any of those lil' dingies that it shows you, and then, say "i would like to request a refund." then choose, "it's not fun" and for notes, (this is the most important part!) say "monke poopoo :)" do exactly as this says

if you want more, go to my profile. thanks!!