As they walk around a playground or other area, text, video or audio pops up at various points to help them try to figure out why aliens were in the schoolyard.

当他们在操场或其他地方四处走动时，文本、视频或音频会在不同的地方弹出来，以帮他们弄清楚为什么会有外星人出现在校园里。