NBA 2K12 Cheats

Giveth and Taketh Away (20): Record 10 or more rebounds and assists with any player, in a non-simulated game.
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.
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.
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).
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.
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.

NBA 2K12: Legends Showcase Achievements
Blackjack (21): Win a Game of 21 against 3 CPU opponents without letting anyone else score.
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.
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.
Ultimate Teammates (80): Beat the Teammate Challenge without losing a game.