NBA 2K7
50 Achievements
1,000
Xbox 360
Celtics vs Lakers Rivalry
This was achieved by winning this rivalry as BOS or LAL in Hall of Fame difficulty.
30
How to unlock the Celtics vs Lakers Rivalry achievement in NBA 2K7 - Definitive Guide
open up a quick game and set the home team as either LAS ANGELES LAKERS or BOSTON CELTIC and the other team as away. then hit "y" and set the difficulty to "hall of fame" and quarter length to "1" minute. Now start the game. when the tipoff is over pause the game and go to "Options", then "my NBA" and then "game sliders". on the first page you will see 3point success , jack it up to 100 and then go back to the game. NOW, just keep launching 3 pointers and the game will be won easily and it will only take about 8 minutes a game. so an easy 180 gamerpts for all the rivalry games.
*see "Spurs VS Mavs".