public function players() : array 
    {
        $returnPlayers = [];

        $players = $this->get(sprintf(self::GAME_ENDPOINT . 'titles/%s/players', $this->titleId));

        if ($players->size === 0) return $returnPlayers;

        foreach ($players->data as $player) {
            $returnPlayers[] = new User($this->client, $player->onlineId);
        }

        return $returnPlayers;
    }