Level skip:
Enter QNFJR as a password and ignore the error message. Begin game play and press Select to jump to the next level.

Level	North American	European
1	BCBCY	NBPBZ
2	SCSDX	BCBCY
3	CDBGW	SCSDX
4	TDSHT	CDBGW
5	HGDKS	TDSHT
6	SGPLR	HGDKS
7	GHBNP	SGPLR
8	XHSPN	GHBNP
9	WKLPR	XHSPN
10	DKWPR	LKDRL
11	HLDRG	WKPSK
12	RLWRY	NLDTH
13	DNHSX	XLPWG
14	NNSTT	LNBXD
15	XPBWR	BNSYC
16	NPSXD	NPBZP
17	BRDYN	BPSZZ
18	DRWYZ	SRGBY
19	WSLZX	HRXCX
20	NTCCS	TSGDW
21		CSRGT
22		STCHS
23		GTTKP