This is the 14494th most frequent Turkish word.
oyunuzun
"Your vote."
The word "oyununuzun" is the possessive form "your game" with the genitive case (-un) indicating possession and "-in" a suffix that connects the ownership to another element in the sentence.
Oyununuzun son bölümü beni çok etkiledi.
The final part of your game impressed me greatly.
Here, "oyununuzun" refers to "your game" with the added genitive suffix which describes the rules associated with the game.
Oyununuzun kurallarını anlamakta zorlandım.
I had difficulty understanding the rules of your game.
In this sentence, "oyununuzun" indicates possession, specifically the game owned or associated with the person being addressed.