Cheat mode
Highlight the "Continue" option at the main menu, then press [Down]x2, [Right], [Up], [Right], [Up], [Right], [Down]x2, [Start]. All stages and characters will be unlocked.
Play as Cassandra
Enter "Mathayus", "Menmon", "Isis", "Mathayus" as a password to play as Cassandra with all runes.
Level select
Enter the following character codes at the password screen: "Menthu", "Isis", "Isis", "Menthu".
Three knuckle slots and three of the items
Enter the following character codes at the password screen: "Man With Beard", "Woman With Long Straight Hair", "Girl With Short Curly Hair", "Girl With Long Straight Hair".
| Level | Password |
| 1-1 | Menthu, Isis, Cassandra, Menthu |
| 1-2 | Isis, Menmon, Isis, Menthu |
| 1-3 | Mathayus, Menthu, Menmon, Mathayus |
| 1-4 | Menmon, Cassandra, Isis, Cassandra |
| 1-5 | Mathayus, Cassandra, Isis, Menmon |
| 1-6 | Mathayus, Isis, Cassandra, Mathayus |
| 2-1 | Mathayus, Menmon, Isis, Mathayus |
| 2-2 | Mathayus, Menthu, Menmon, Cassandra |
| 2-3 | Cassandra, Menthu, Cassandra, Menmon |
| 2-4 | Menmon, Mathayus, Menthu, Cassandra |
| 2-5 | Mathayus, Menthu, Mathayus, Isis |
| 2-6 | Mathayus, Cassandra, Isis, Cassandra |