ESPN NBA 2K5

Play five Street Games.

One player on team gets a double-double: Andrei Kirilenko
Make 20 three point field goals in one game: Baron Davis
Beat the CPU by 15 Points every Quarter: Dirk Nowitzki
Beat the CPU by 15 Points in every quarter after unlocking Dirk: Carmelo Anthony
Block 10 shots total with your team in one game: Yao Ming
Block 10 shots total with your team in one game after unlocking Yao Ming: Ben Wallace (Second Time)
Make 10 Dunks in one game: Vince Carter
Make 10 Dunks in one game after unlocking Vince Carter: T-Mac.
Make 10 Dunks in one game after unlocking T-Mac: Kobe Bryant
Get 25 rebounds in both halfs: Elton Brand
Get 25 rebounds in both halfs after unlocking Elton Brand: Tim Duncan
Get 40 rebounds from your team in one game: Kenyon Martin
Get 40 rebounds from your team in one game after unlocking Kenyon Martin: Chris Webber
Don't get a pass intercepted for one game: Stephon Marbury
Don't get a pass intercepted for a game after unlocking Stephon Marbury: Jason Kidd
Don't get a pass intercepted for a game after unlocking Jason Kidd: LeBron James (Third Time)
Get one double-double by any player and one other stat has to be above 15: Jermaine O'Neal
Don't get blocked for an entire game: Kevin Garnett
Don't get blocked for an entire game after unlocking Kevin Garnett: Allen Iverson
Get 30 assists from your team in one game: Lamar Odom
Make all free throws with your team in one game: Peja Stojakovic
Get one double-double by any player, both stats have to be above 15: Shaq
Get 15 assists from your team in one game: Steve Francis
Score 500 Total Points: Paul Pierce

Defeat the CPU by 69 points.

After unlocking the Lamar Odom Bobble-Head, get 30 total assists in one game.

This trick requires two controllers. Go to training for something like 3 pointers. When you start using both controllers, you will have control of your opponent. This gives you the chance to do as much training as desired. For the ratings, it works the same way, you will have control of your opponent.