YOU SAID:

Let's play the game were you throw yourself down the stairs

INTO JAPANESE

あなたは階段を下って自分を投げたのですか？

BACK INTO ENGLISH

Did you throw yourself down the stairs?

INTO JAPANESE

あなたは階段を降りて行きましたか？

BACK INTO ENGLISH

Did you go down the stairs?

INTO JAPANESE

下に行ってて

BACK INTO ENGLISH

You go down the stairs.

INTO JAPANESE

下に行ってて

BACK INTO ENGLISH

You go down the stairs.