NBA 2K12 Cheats - Xbox 360

Cheat Mode
Enter the following codes at the "Codes" menu:

23 - Unlock retro Jordans.
payrespect - ABA Ball.
2kchina - Unlock 2K China team.
2ksports - Unlock 2K Sports team.
nba2k - Unlock NBA 2K development team.
vcteam - Unlock VC team.
agsntrccai - Unlock Bobcats NASCAR uniform.
aifnaatccv - Unlock Cavaliers Cavfanatic uniform.
wasshcicsl - Unlock Hardwood Classics Nights uniforms.
asrdirmga - Unlock Hornets Mardi Gras uniform.
eydonscar - Unlock Secondary road uniforms (Grizzlies, Hawks, Mavericks, and Rockets).
riiasgerh - Unlock St. Patrick's Day uniforms (Bulls, Celtics, Knicks, and Raptors).
ycprtii - Unlock Trailblazers "Rip City" uniform.

Achievements
Complete each achievement to receive the allotted gamerscore:

4-Point Line (20) - Pull off a successful 4-point play with any player, in a non-simulated game.
A 2K to Call My Own (25) - Create a My2K Account.
Another Day, Another Win (20) - Win 5 NBA Today matchups.
Don't Hate the Player (25) - Win the championship in an Online Association.
Dub-Dub (20) - Record two double doubles with any teammates, in a non-simulated game.
Five by Five (20) - Record 5 or more in 5 different stats with any player in a non-simulated game.
G Performance (20) - Score at least 48 points with Kevin Durant to set a new career high, in a non-simulated game.
G Prime (20) - End the 1st period with a 15 point lead or greater on the Hall of Fame difficulty setting.
G Recovery (10) - Play an entire game using manual substitutions, in a non-simulated game.
Giveth and Taketh Away (20) - Record 10 or more rebounds and assists with any player, in a non-simulated game.
Back to Back to Back (15) - Win 3 ranked matches in a row.
Birthday (10) - Create-a-Player.
Block Party (20) - Record 10 or more blocks with any team, in a non-simulated game.
Buzzer Beater (20) - Make a game winning shot with no time left on the clock, in a non-simulated game.
Check! (15) - Complete all 3 in-game objectives in My Player mode.
Come Fly with Me (15) - Purchase Michael Jordan's dunk package (His Airness) in My Player mode.
Dawn of an Era (15) - Get drafted as a lottery pick in the NBA draft in My Player mode.
Lincoln (15) - Win 5 ranked matches total.
Made My Name (15) - Complete 5 of the NBA's Greatest challenges.
Men of Steal (20) - Record 10 or more steals with any team, in a non-simulated game.
Money Bags (15) - Purchase 3,000 skill points in a single transaction in My Player mode.
My All-Star (25) - Be named an NBA All-Star in My Player mode.
My Big Eight-O (20) - Earn an 80 overall rating in My Player mode.
My Every Day Player (20) - Become a starter in the NBA in My Player Mode.
My Player of the Game (20) - Be named Player of the Game (in an NBA game) in My Player mode.
Hamilton (20) - Win 10 ranked matches total.
Hey Mr. DJ (10) - Create a 2K Beats Playlist.
Hold the Fat Lady (20) - Start the 4th period losing by 10 or more points and win with any team, in a non-simulated game.
Home Court (25) - Earn the NBA's best record in The Association mode (at least 30 games played).
I'm Worth It (25) - Land a contract that pays at least $10M per season in My Player mode.
Immortality (30) - Make the Hall of Fame in My Player mode.
It's Better to Give (15) - Share any file type through 2K Share.
It's Raining (20) - Make 15 or more 3-pointers with any team, in a non-simulated game.
Left My Mark (15) - Complete 10 of the NBA's Greatest challenges.
Swat and Swipe (20) - Record at least 5 blocks and 5 steals with any team, in a non-simulated game.
The Closer (20) - Hold the opposing team to 0 points in the final two minutes of regulation, in a non-simulated game.
The Sum of Its Parts (15) - Play a Team Up Game.
The Whole Shebang (50) - Earn every achievement in NBA 2K12.
This One Counts (15) - Win one online ranked match.
NBA Cares (15) - Make a donation to the NBA Cares global community outreach initiative in My Player mode.
Not Your Father's Association (25) - Join an Online Association.
Shooting Star (20) - Win the MVP award in NBA: Creating a Legend mode.
Smothering (20) - Hold the opposing team's FG% below 40% with any team, in a non-simulated game.
Sprite Slam Cam (15) - Get the Sprite Slam Cam replay after a dunk with LeBron James.
Streaking (25) - Win 5 games in a row in The Association mode (playing all 5 games).
Ticker Tape (30) - Win an NBA Championship in The Association mode (playing every playoff game).
Trip-Dub (20) - Record a triple double with any player, in a non-simulated game.
Wire to Wire (20) - Do not allow your opponent to lead the game at any point with any team, in a non-simulated game.
Wrote My Legend (30) - Complete all 15 of the NBA's Greatest challenges.
You're Officially Hot (20) - Win 5 ranked matches in a row.

Additionally, there are nine NBA 2K12: Legends Showcase DLC achievements:

Blackjack (21) - Win a Game of 21 against 3 CPU opponents without letting anyone else score.
Old School (30) - Use one of the 1960s 3-on-3 Era Challenge teams and beat the mode.
Pitching a Shutout (20) - Win any 2-on-2 Teammate Challenge game without giving up a point.
Trick Shot Master (30) - Win a H-O-R-S-E game against 3 CPU opponents without getting a letter.
Two Balls are Better Than One (15) - Make a 2 ball shot in H-O-R-S-E.
Bombs Away (16) - Win any 3-on-3 Era Challenge game while scoring all your points from beyond the arc.
G.O.A.T. (23) - Use your My Player and beat Michael Jordan in a 1-on-1 pickup game with default settings.
High Riser (15) - Make a shot from the top of the tall building in H-O-R-S-E.
Ultimate Teammates (80) - Beat the Teammate Challenge without losing a game.