No enemies:
Enter RBNL XHGB VGBB LYLD as a password. Only Bosses will appear in the game. Note, levels 5 and 6 will not appear with this code.

All items:
Enter QFFF KNRR DDLR XGTQ as a password.

Play as Ultimate Gargoyle:
Enter FDQP QRMB FGNH GTKL as a password.

Super password:
Enter KDGY KRMV DDXR XWKQ as a password for every crest, fire power, potions, Gargoyles, and talisman.

Have all five vials:
Hold A at the title screen and keep that button held while pressing Start to begin a new game. Note: Passwords and options may not be used.

Level	Password
2	BDLK BXPB GHGG FQKL
3	TRTL STGZ FQMF XFLF
4	DKHH UMBH CSWN KMMQ
5	YZHF MMXK VJDR GMWQ
6	PBGX RVNG KGKX WRZB
End1	YDGM QRMB FGJB JTZB

1. All items collected; for best ending.