PS1/2 Is All Japanese And European PS1 Games Are Compatible With Game Shark?

[PuyoUltimate]

So i been thinking of getting Japanese Games On The Playstation 1 To Play The Puyo Puyo Games Along With Some Sailor Moon Games To Go With I Heard There Is A Way To Use Gameshark To Play Japenese Games But I Feel Like It Wont Be Compatible With Every Game I Want To Know Can ou Play Any Japanese Games Or European Games On The Ps1