YOU SAID:

I think I've spent too long trying to find out what the game is.

INTO JAPANESE

私はゲームが何であるかを知るために長時間過ごしたと思う。

BACK INTO ENGLISH

I think I spent a long time to find out what the game is.

INTO JAPANESE

私はゲームが何であるかを知るのに長い時間を費やしたと思う。

BACK INTO ENGLISH

I think I spent a long time to find out what the game is.