YOU SAID:

I'm good to game as well

INTO JAPANESE

私はゲームにもいいです

BACK INTO ENGLISH

I am good for games

INTO JAPANESE

私はゲームが得意です

BACK INTO ENGLISH

I am good at playing games.

INTO JAPANESE

私はゲームをするのが得意です。

BACK INTO ENGLISH

I am good at playing games.