YOU SAID:
oliver is playing a bordgame
INTO JAPANESE
オリバーはゲームをしています
BACK INTO ENGLISH
Oliver is playing a game
INTO JAPANESE
オリバーはゲームをプレイしています
BACK INTO ENGLISH
Oliver is playing the game
INTO JAPANESE
オリバーはゲームをプレイしています
BACK INTO ENGLISH
Oliver is playing the game
That didn't even make that much sense in English.