NFL Street 2 cheats and cheat codes for XBox

Cheat codes:
Enter the following case-sensitive cheat codes:

10 yard first downs: Enter "FirstFirst" 
10x Game-Breaker: Enter "XxGBCraZ" 
1x Game-Breaker: Enter "llxGBCraZ" 
AFC East All-Stars team: Enter "EAASFSCT"
AFC North All-Stars team: Enter "NAOFRCTH"
AFC South All-Stars team: Enter "SAOFUCTH"
AFC West All-Stars team: Enter "WAEFSCT"
All chains mode: Enter "Trick3dOut" 
Always fumble: Enter "GreasedPig" 
Ants mode: Enter "RuinedPicnic" 
Giant ball: Enter "BIGPig" 
EA field: Enter "EAField"
1st downs removed: Enter "NoChains" 
Big players: Enter "BIGSmash"
NFL Legends team and Gridiron field: Enter "str2mkryz"
Gridiron field: Enter "GRIDIRONPRK"
Unlimited turbo: Enter "NozBoost" 
Max. catch: Enter "MagnetHands" 
Max. speed: Enter "GottaBDShoes" 
Max. tackle: Enter "BlastTackle" 
NFC East All-Stars team: Enter "NNOFRCTH"
NFC North All-Stars team: Enter "NNAS66784"
NFC South All-Stars team: Enter "SNOFUCTH"
NFC West All-Stars team: Enter "ENASFSCT"
No Fumbles: Enter "GlueHands" 
No textures: Enter "BloominGroup" 
Play with Andre 3000: Enter "Andre 3000"
Play with Ludacris: Enter "Ludacris"
Random size players: Enter "SighsMatters" 
Team Reebok: Enter "Reebok"
Team Xzibit: Enter "TeamXzibit"
Tiny players: Enter "Shrunken" 
Weak Jumping and O-moves: Enter "CementShoes" 

Unlock Team Xzibit
Finish the tutorials.

Unlock Gridiron field
Finish NFL Challenge mode.

25000 credits:
To get 25000 credits, have a saved game file from other EA games  on your memory card.
Example: NFS Underground 2, SSX 3, Madden NFL 2005, NFL Street, or NCAA Football 2005