To get the hp multiplier codes for code breaker, it is easier to figure it yourself than for me to list a bunch of codes. The code will be like this.
2AEBB76E-????????
U will have to replace the ???????? with your value. To figure the value, use This Calculator .
To use it, enter a value in either of the boxes in the decimal column and then hit your tab key. Use the code in the corresponding hex box to replace the ???????? and your all set.
Values to enter in the decimal box will go like this,
501=1/2x the hp
1001=1x the hp, or no increase
2001=2x the hp
3001=3x
3501=3.5x
and so on. The highest value U can have is
65535=65.534x