Here are the level codes:

Level:          Code:              Level:          Code:
1               DARWIN             2               ANDIE PANDY
3               GET A LIFE         4               CARLOS
5               HOWIE              6               MOOBLE
7               CSL                8               THE HUMBLE ONE
9               PIXIE              10              MILESTONE
11              WAR WAR WAR        12              J MCKINNON
13              UNLUCKY            14              BLUE MONKEY
15              RED DWARF          16              BAD TASTE
17              THE KITCHEN        18              CJ
19              SORT IT OUT        20              SMART
21              VILLA3BORO2        22              EARLY MORNING
23              BORO4LEEDS1        24              EASY LIFE
25              JIMS TIES          26              PARKVIEW
27              NICENEASY          28              GREEN CARD
29              COOKIE             30              MALCY MALC
31              RAVING BURK        32              YOU GOT IT
33              SGNIMMEL           34              MINISTRY
35              MAD FREDDY         36              BIZARRE
37              FREE SCOTLAND      38              APPLE JUICE
39              PAYDAY             40              BANANNA MOON
41              BONUS              42              BOUNCING
43              NO MONEY           44              A S F
45              VISION             46              SISTERS
47              FAST FASHION       48              CARGO
49              RAB C NESBITT      50              RANGERS
51              RAINBOW            52              DOODY
53              MIGHTY BAZ         54              TIRED
55              CONSOLIDATED       56              STAY HAPPY
57              AMERICA            58              ANOTHER HAPPY DAY
59              ISOLATION          60              PROMISED LAND
61              DAEMONSLATE        62              BIG RAB
63              MIAMI VICE         64              MARGARET
65              A34732473          66              HELP ME
67              THE EXILES         68              EIGHTLANDS
69              WINE AND DINE      70              NIN
71              TECHNOPHOBE        72              GETTING THERE
73              TIME IS            74              RUNNING OUT
75              LORDS OF CHAOS     76              NOW ITS DONE
77              IM OUT OF HERE     78              HERE TO A
79              BETTER LIFE        80              BYE BYE BYE