Cheat List
You need to put these passwords in the Numberman Trader to get items.

AirHockey 3 V	77038416
Beat(NaviCust block)	25435428
Body Pack(NaviCust block)	43494372
Buster Pack(NaviCust)	block 05178924
ColorPoint	19095677
Custom2(NaviCust block)	75420107
FlameLine 1 G	46292983
FlameLine 3 J	57604335
FullEnergy	59891137
FullEnergy	84625799
GunDeSol EX G	74293099
Hp+500(NaviCust block)	30873642
Hp+500(NaviCust block)	97618739
LockEnemy	27979609
LockEnemy	37198940
MegaFolder2(NaviCust block)	02109544
MiniEnergy	16589650
MiniEnergy	45798331
Recover300 J	66703422
Rush(NaviCust block)	73298100
SneakRun	32108251
SneakRun	89866302
Tango(NaviCust block)	10170506
TwinFang 3 G	88019791
Unlocker	00274304
Unlocker	94872322
Untrap	14769745
Untrap	02368995
VariableSword C	03696458
WideShot 3 T	68009092

Modes

Hard Mode :You need to complete normal mode, continue and go to the second option.
Super Hard Mode :You need to complete hard mode, continue and go to the second option: