Two different sets of codes to Lemmings: Oh No More Lemmings are listed here because some slightly different releases of the game were made. So if one set of codes doesn't work, try the other one.
------- TAME -------- CRAZY --------- WILD ------- WICKED ---
01- "----------" | "TFLCAHVFBD" | "BAHPUDIJCN" | "UFIBAHTNDI"
02- "IHRTDNCCAD" | "FLCIHTTGBK" | "IHPUDIBKCG" | "FIBIHTUODR"
03- "LRTDLCADAO" | "HBALTTFHBS" | "LPUDIBALCD" | "IBALTUFPDO"
04- "PTDLCILEAF" | "BILTTFHIBL" | "PUDIBILMCM" | "BILTUFIQDH"
05- "TDLCAHTFAO" | "BAHPUFHJBN" | "UDIBAHTNCF" | "FAHPTDHBEJ"
06- "DLCIHVTGAJ" | "IHPUFHBKBG" | "DIBIHTUOCO" | "IHPTDHFCES"
07- "LCAMTTDHAF" | "LPUFHBALBD" | "IBALTUDPCL" | "LPTDHFADEP"
08- "CIMVVLHIAG" | "PUFHBILMBM" | "BILTUDIQCE" | "PTDHFILEEI"
09- "CAHRUDLJAR" | "UFHBAHTNBF" | "BAHPTFIBDH" | "TDHFAHTFER"
10- "IHRUDLCKAK" | "FHBIHTUOBO" | "IHPTFIBCDQ" | "DHFIHTTGEK"
11- "LRUDLCALAH" | "HBALTUFPBL" | "LPTFIBADDN" | "HFALTTDHEH"
12- "RUDLCILMAQ" | "BILTUFHQBE" | "PTFIBILEDG" | "FILTTDHIEQ"
13- "UDLCAHVNAJ" | "BAHPTDIBCE" | "TFIBAHTFDP" | "FAHPUDHJES"
14- "DLCIHVUOAS" | "IHPTDIBCCN" | "FIBIHTTGDI" | "IHPUDHFKEL"
15- "LCALVUDPAP" | "LPTDIBADCK" | "IBALTTFHDF" | "LPUDHFALEI"
16- "CILTUDLQAG" | "PTDIBILECD" | "BILTTFIIDO" | "PUDHFILMER"
17- "CAHRTFLBBL" | "TDIBAHTFCM" | "BAHPUFIJDQ" | "UDHFAHTNEK"
18- "IHRTFLCCBE" | "DIBIHTTGCF" | "IHPUFIBKDJ" | "DHFIHTUOED"
19- "LRTFLCADBR" | "IBALTTDHCS" | "LPUFIBALDG" | "HFALTUDPEQ"
20- "RTFLCILEBK" | "BILTTDIICL" | "PUFIBILMDP" | "FILTUDHQEJ"
Heres another set of codes:
------- TAME -------- CRAZY --------- WILD ------- WICKED ---
01- "----------" | "VNLCAIVFBO" | "CEIPWLMJCR" | "UNICAITNDS"
02- "IIRVLNCCAO" | "FHBIHTTGBF" | "MHPWDMBKCQ" | "FMBMHTWODL"
03- "MRVLLCADAJ" | "LBAMVVNHBD" | "MRWLMBALCE" | "IBCLVWNPDM"
04- "RVLLCIMEAS" | "CIMVVNLIBN" | "RWLMBIMMCN" | "CIMVWNMQDJ"
05- "VLLCAIVFAL" | "CEIPWNLJBR" | "WLMBAIVNCG" | "GAIRVLLBEL"
06- "LLCIIVVGAE" | "IIRWNLBKBH" | "LMBIIVWOCP" | "MIPVLLGCEG"
07- "LCAMVVLHAR" | "MPWNLCGLBJ" | "MBAMVWLPCM" | "MRVLLFADEQ"
08- "CIMVVLLIAK" | "RWNLCIMMBO" | "BIMVWLMQCF" | "RVLLFIMEEJ"
09- "CAIRWLLJAM" | "WNLBAIVNBG" | "CAIRTNMBDH" | "VLLGAIVFED"
10- "IIRWLLCKAF" | "NLCMITWOBS" | "MHRVNMCCDF" | "LLGIIVVGEM"
11- "MRWLLCALAS" | "LBAMVWNPBM" | "MRVNMBADDO" | "LGAMVVLHEJ"
12- "RWLLCIMMAL" | "BKMVWNLQBH" | "RVNMCIMEDI" | "GIMVVLLIEJ"
13- "WLLCAIVNAE" | "BAIRVLMBCF" | "VNMCAIVFDR" | "FAIRWLLJED"
14- "LLCIIVWOAN" | "MIPVLMCCCR" | "NMBIIVVGDJ" | "IIRWLLFKEM"
15- "HBALTUDPAI" | "MRVLMCADCM" | "MBAMVVNHDG" | "MRWLLFALEJ"
16- "CIMVWLLQAD" | "RVLMCIMECF" | "CIMVVNMIDQ" | "RWLLGIMMED"
17- "CAIRVNLBBG" | "VLMBEHTFCO" | "BAHRWNIJDM" | "WLHFAITNEF"
18- "IIRVNLCCBP" | "LMCIIVVGCH" | "IIRWNMBKDK" | "LHGIITUDEN"
19- "MRVNLCADBM" | "MCAMVVLHCE" | "MRWNMBALDH" | "LFELTWDPEK"
20- "RVNLCIMEBF" | "CIMVVLMICN" | "RWNMBIMMDQ" | "GIMVWLLQEL"
------- HAVOC ------ 2 PLAYER
01- "GAHRVFLBFF" | "JAHPTDIBKE
02- "IIRVNNFCFI" | "IHPTDKJCKP
03- "MPTNHGADFM" | "LPTDIJAPKK
04- "RVNLGIMEFN" | "PTDIJILEKD
05- "VNLGEITFFI" | "TDIJAHTFKM
06- "NLGMITVGFR" | "DIJIHTTGKF
07- "LGAMVVNHFM" | "IJALTTDHKS
08- "GMMTVNLIFH" | "JILTTDIIKL
09- "GAIRWNLJFH" | "JAHPUDIJKN
10- "IIRWNLGKFQ" | "IHPUDIJKKG
11- "MRWNLFALFM
12- "RWNLFIMMFF
13- "WNLFAIVNFO
14- "NLFIIVWOFH
15- "LFAMVWNPFE
16- "GIMVUNLQFM
17- "GAIRVLMBGO
18- "IIRVLMFCGG
19- "LRVDMGADGL
20- "RVLMFIMEGM