public function parseAchievements($id)
    {
        $achievements = array();

        list($data) = $this->_callUrl($this->api_base . '/api/public/achievements/' . $id, true);

        if ($data) {
            foreach ($data as $ach) {
                $tmp_ach = new Achievement();
                $tmp_ach->parse($ach);
                $achievements[] = $tmp_ach;
                unset($tmp_ach);
            }
        }

        return $achievements;
    }