This is the 1597th most frequent Turkish word.
oyunun
"Of the game" or "of the play."
In this sentence, "oyunun" denotes the possessive form, meaning "of the game."
Oyunun kurallarını öğrenmelisin.
You should learn the rules of the game.
In this context, "oyunun" indicates the game in general, showing an attachment or association with the game.
Her zaman oyunun bir parçası olmayı sevmiştir.
He has always loved being a part of the game.
Here, "oyunun" refers to the specific time at the end of the game, indicating possession or relation.