Level	Time Left	Time Taken
Complete	45'43"56	14'16"44
Level 1-2	58'16"27	1'43"73
Level 3	56'41"72	1'34"55
Level 4	55'49"07	0'52"66
Level 5	55'05"17	0'43"89
Level 6	54'46"56	0'18"61
Level 7	53'33"63	1'12"93
Level 8	51'47"40	1'46"23
Level 9	49'38"47	2'08"93
Level 10	48'36"30	1'02"17
Level 11	47'25"54	1'10"76
Level 12a	46'06"76	1'18"78
Level 12b	45'43"56	0'23"20

The exact end time was extracted from the highscore file [PRINCE.HOF]. The other times are from savegames made after each level.

Game played and recorded with DOSBox.