Boktai 2 Crossover Battle Mode

With attaching the Wireless Adapter before the Title Screen appears. Under Continue you will get Crossover Battle Mode.

With this mode you can face Shademan and link up Wirelessly to Boktai 2 to see who the fastest is to beat Shademan using the EXE 5 and Boktai 2 System.

Requires Two Wireless Adapters.

Gyroman

Input this code as soon as you use the Gyroman Chip. Hold the buttons down.

Larkman

As soon as you use the Larkman chip press this sequence, it will make a beep if entered correctly.

Navi Customizer Programs - Compression Codes

To enter these codes, have the desired Navi Customizer Program highlighted in the Navi Customizer screen. Hold the Right (->) button on the D-Pad, then enter the 10 button code (Composed of different combinations of the buttons A, B, L and R) for that NCP to compress it.
Once compressed, the Navi Customizer Program's size will be reduced by one block, or square. Only non-textured programs can be compressed (AutoRun cannot be compressed either), and inputting the code again will decompress it.

NeoVarSwrd

If you hold down 'A' and put in a button sequence fast, you will get a wider range for NeoVarSwrd.

Numberman codes

Go to the numberman machine in Higsby's shop when it is placed there and enter the passwords to get your prize.

SearchMan Chip Extra Effect

Shademan Extra Effects

When you use the Shademan SP/DS chip, as soon as you see Shademan come up, immediately press the following codes for an extra effect to his attack.

VarSwrd

To use these, you must hold down the 'A' button and quickly put in the sequence. These only work with VarSwrd.