Go to the Title Screen, press and hold Select, then hit start.
Passwords
Effect
Password
02
MJDVLXT
03
ZBHPRLQ
04
GWSXMHK
05
NCDKKWG
06
CKWDRKV
07
HCBSMGV
08
JBKZQGS
09
MMDMKKX
10
SKFKNNB
11
LXNLJCP
12
MYPCTNP
13
PCLSRCP
14
KPMDGXZ
15
TLVKLSW
16
HMHRSDR
17
MFLFHSH
18
QXPKCHB
19
MWRTLNR
20
GMXCWPS
21
KBXNLPB
22
DVJJBGM
23
LGSSCZL
24
MVGDKVX
25
LSQHCQS
26
SXRQMVR
27
PMQJPMX
28
DHBPTWQ
29
BCXLWVV
30
FXWBBSL
‘Mayhem’ Level Passwords
Effect
Password
01
XNMTWVD
02
KDTJQQR
03
VNTGWRB
04
SQDLCRR
05
JHQTCPD
06
RQXNVNP
07
CBWMMLG
08
LCVDQWL
09
KDHWTJL
10
GVNKKJL
11
DXCDQWL
12
GWJTPLW
13
LNZNHWM
14
MZXZKZC
15
RWLTTCQ
16
LGJCRKM
17
SQXKBZN
18
WXTBWCB
19
NPKNRKV
20
PZQWRGP
21
DZTHVNL
22
RMDTBFQ
23
FCSLSPK
24
RNHQXVM
25
LTGNDXH
26
LHLTDDV
27
HCBBKHV
28
MWLGVQJ
29
GSPQCRQ
30
ZTTGRFH
‘Taxing’ Level Passwords
Effect
Password
01
PQFPTBP
02
BPLHRXL
03
CPZRSRV
04
SMSWSPW
05
DXCQKRX
06
MDGMJLV
07
WZWSDMK
08
HZBCFQM
09
SPRPVHR
10
BWCBKXJ
11
WRFVJDL
12
GGBCXXS
13
TTXQXQL
14
DCBBWNH
15
WCBLDQX
16
PFVFXCR
17
NKVCKDN
18
QPDDJFB
19
QBGBPSW
20
JLXJWNW
21
JLHFSRF
22
WCLJNNK
23
LVFHHMM
24
MHNNCPC
25
RNMKXLP
26
XZZSDDN
27
BBTSGZC
28
LXFLJPX
29
QKZVKFT
30
WFCSHNT
‘Tricky’ Level Passwords
Effect
Password
01
MGQZMGG
02
LXSFDXB
03
ZRVXBWQ
04
NKVKRTB
05
GJWDHMG
06
DJCQQZT
07
JHSVCQL
08
RCHFGNN
09
BJWVRCQ
10
RFPZFBJ
11
JKJBRMQ
12
MZDCDTC
13
MZVQKXB
14
ZZRHJPL
15
JFLKJPX
16
JQXRNGJ
17
WFVHQQT
18
KWVBVJP
19
TTKLKZT
20
NNFFQPV
21
ZNXBKMP
22
QSLQWTJ
23
BGFVMFR
24
PQZWDKM
25
SBCMSJS
26
BDGQRNX
27
XPPBQWL
28
JHQSPRH
29
GCLKJMQ
30
SRWGXZM
Sunsoft Level Passwords
Effect
Password
01
TPCWFMP
02
WSJCLDX
03
PVNRCMV
04
HZSQQNV
05
KCGHCNC
Game Genie Codes
1 C984-A467 Infinite climbers if you start with at least 1 2 C98F-AD07 Infinite floaters if you start with at least 1 3 C987-A407 Infinite bombers if you start with at least 1 4 C984-6DA7 Infinite blockers if you start with at least 1 5 C98E-6D07 Infinite builders if you start with at least 1 6 C982-6FD7 Infinite bashers if you start with at least 1 7 C981-67D7 Infinite miners if you start with at least 1 8 C98B-64A7 Infinite diggers if you start with at least 1
9 31B6-6FAF + 18B6-64DF Each saved lemming counts as two When using Codes 10 thru 133, the select key can't be used to change levels or ratings.
10 CBCC-DD05 + DFCC-DD65 + C9C8-0FD5 Start on Level 2; rating: Fun
11 CBCC-DD05 + D4CC-DD65 + C9C8-0FD5 Start on Level 3; rating: Fun
12 CBCC-DD05 + D7CC-DD65 + C9C8-0FD5 Start on Level 4; rating: Fun
13 CBCC-DD05 + D0CC-DD65 + C9C8-0FD5 Start on Level 5; rating: Fun
14 CBCC-DD05 + D9CC-DD65 + C9C8-0FD5 Start on Level 6; rating: Fun
15 CBCC-DD05 + D1CC-DD65 + C9C8-0FD5 Start on Level 7; rating: Fun
16 CBCC-DD05 + D5CC-DD65 + C9C8-0FD5 Start on Level 8; rating: Fun
17 CBCC-DD05 + D6CC-DD65 + C9C8-0FD5 Start on Level 9; rating: Fun
18 CBCC-DD05 + DBCC-DD65 + C9C8-0FD5 Start on Level 10; rating: Fun
19 CBCC-DD05 + DCCC-DD65 + C9C8-0FD5 Start on Level 11; rating: Fun
20 CBCC-DD05 + D8CC-DD65 + C9C8-0FD5 Start on Level 12; rating: Fun
21 CBCC-DD05 + DACC-DD65 + C9C8-0FD5 Start on Level 13; rating: Fun
22 CBCC-DD05 + D2CC-DD65 + C9C8-0FD5 Start on Level 14; rating: Fun
23 CBCC-DD05 + D3CC-DD65 + C9C8-0FD5 Start on Level 15; rating: Fun
24 CBCC-DD05 + DECC-DD65 + C9C8-0FD5 Start on Level 16; rating: Fun
25 CBCC-DD05 + FDCC-DD65 + C9C8-0FD5 Start on Level 17; rating: Fun
26 CBCC-DD05 + FFCC-DD65 + C9C8-0FD5 Start on Level 18; rating: Fun
27 CBCC-DD05 + F4CC-DD65 + C9C8-0FD5 Start on Level 19; rating: Fun
28 CBCC-DD05 + F7CC-DD65 + C9C8-0FD5 Start on Level 20; rating: Fun
29 CBCC-DD05 + F0CC-DD65 + C9C8-0FD5 Start on Level 21; rating: Fun
30 CBCC-DD05 + F9CC-DD65 + C9C8-0FD5 Start on Level 22; rating: Fun
31 CBCC-DD05 + F1CC-DD65 + C9C8-0FD5 Start on Level 23; rating: Fun
32 CBCC-DD05 + F5CC-DD65 + C9C8-0FD5 Start on Level 24; rating: Fun
33 CBCC-DD05 + F6CC-DD65 + C9C8-0FD5 Start on Level 25; rating: Fun
34 CBCC-DD05 + FBCC-DD65 + C9C8-0FD5 Start on Level 26; rating: Fun
35 CBCC-DD05 + FCCC-DD65 + C9C8-0FD5 Start on Level 27; rating: Fun
36 CBCC-DD05 + F8CC-DD65 + C9C8-0FD5 Start on Level 28; rating: Fun
37 CBCC-DD05 + FACC-DD65 + C9C8-0FD5 Start on Level 29; rating: Fun
38 CBCC-DD05 + F2CC-DD65 + C9C8-0FD5 Start on Level 30; rating: Fun