YOU SAID:

Maybe ten hours to complete the game, and fifteen to twenty for 100%.

INTO JAPANESE

多分 10 時間ゲームと 100% の 20 に 15 を完了します。

BACK INTO ENGLISH

Maybe 10 games and complete 15 100% 20.

INTO JAPANESE

多分 10 のゲームと完全な 15 100 %20。

BACK INTO ENGLISH

Maybe 10 games and complete 15 100% 20.