The following are known CWCheat Codes for NBA Street Showdown on Sony Playstation Portable (PSP).

_S ULUS-10010
_G NBA Street Showdown [US]
_C0 Away Gamebreaker slot
_L 0x603E15D0 0x47435000
_L 0x00020002 0x00000080
_L 0x200000B8 0x00000000
_C0 Away Gamebreaker unlimited time slot
_L 0x603E15D0 0x00000500
_L 0x00020002 0x0000008C
_L 0x200000B8 0x00000000
_C0 Away goals
_L 0x603E15D0 0x00000014
_L 0x00030002 0x00000284
_L 0x200000B8 0x00000000
_C0 Away Score
_L 0x603E15D0 0x0001869F
_L 0x00050002 0x0000022C
_L 0x200000B8 0x00000000
_C0 Away TURBO slot
_L 0x603E15D0 0x3F800000
_L 0x00020002 0x00000030
_L 0x200000AC 0x00000000
_C0 Home goals
_L 0x603E15D0 0x00000014
_L 0x00030002 0x00000288
_L 0x200000B8 0x00000000
_C0 Home score
_L 0x603E15D0 0x0098948B
_L 0x00050002 0x00000230
_L 0x200000B8 0x00000000
_C0 Slot home Gamebreaker
_L 0x603E15D0 0x47435000
_L 0x00020002 0x00000010
_L 0x200000B8 0x00000000
_C0 Slot TURBO home
_L 0x603E15D0 0x3F800000
_L 0x00020002 0x00000000
_L 0x200000AC 0x00000000
_C0 Unlimited home Gamebreaker time slot
_L 0x603E15D0 0x00000500
_L 0x00020002 0x0000001C
_L 0x200000B8 0x00000000