Activation code:
0E3C7DF2
1645EBB3
0C072FF7
F8FCFDFD


Begin with 999 lives

All:
3C880C8B
F8FCFBD6


Splinter:
3C881A43
F8FCFBD6


Knothead:
3C881367
F8FCFBD6


Feather hop:
3C0E6DA7
BC823EFE


Brightness:
3C17223F
B87CFEFE
3C172243
B87CFEFE
3C172247
B87CFEFE