Left 4 Dead 2 No Mercy Solo Expert Realism,56 Apartments,00:05:46.00,00:00:34.00 Subway,00:24:48.00,00:01:54.00 Sewer,00:41:34.00,00:01:40.00 Hospital,01:22:46.00,00:04:07.00 Rooftop,02:03:47.00,00:04:06.00