public static void AddDeathes(this PhotonPlayer player, int deathesToAddToCurrent) { int current = player.GetDeathes(); current = current + deathesToAddToCurrent; Hashtable deathes = new Hashtable(); // using PUN's implementation of Hashtable deathes[PunPlayerScores.PlayerDeathProp] = current; player.SetCustomProperties(deathes); // this locally sets the score and will sync it in-game asap. }