Here is the full list of all 50 NBA 2K8 achievements worth 1,000 gamerscore.
Achieved by defeating Kobe Bryant in a Dunk-Off.
Achieved by completing an online tournament game.
Achieved by participating in an online draft.
Achieved by completing an online league game.
Achieved by winning 20 online ranked games.
Achieved by winning 10 online ranked games.
Achieved by winning one online ranked NBA Blacktop game.
Achieved by winning 5 online ranked games.
Achieved by winning 5 online ranked games in a row.
Achieved by winning 3 online ranked games in a row.
Achieved by answering 30 trivia questions correctly.
Achieved by starting the 4th period losing by 10 or more points and winning with any team.
Achieved by having FT% over 85% with at least 15 FTA's with any team.
Achieved by recording at least 30 points, 9 rebounds and 9 assists with Dwyane Wade.
Achieved by recording 15 blocks or more with any team.
Achieved by recording at least 20 points, 15 rebounds and 5 blocks with Dwight Howard.
Achieved by recording at least 30 points, 15 rebounds and 2 blocks with Chris Bosh.
Achieved by recording at least 10 blocks and 10 steals with any team.
Achieved by recording at least 25 points, 10 assists and 5 steals with Chris Paul.
Achieved by recording 15 steals or more with any team.
Achieved by recording at least 10 offensive rebounds, 5 blocks and 5 steals with any team.
Achieved by scoring at least 40 bench points with any team.
Achieved by recording 20 assists with no more than 5 turnovers with any team.
Achieved by winning the rebound battle by a margin of +7 with any team.
Achieved by recording at least 35 points, 7 rebounds and 7 assists with LeBron James.
Achieved by recording at least 25 points, 15 rebounds and 7 assists with Kevin Garnett.
Achieved by recording at least 35 points, 5 steals and 5 threes with Gilbert Arenas.
Achieved by making 10 or more 3pt FG's with 3P% over 45% with any team.
Achieved by having FG% over 55% for the game [minimum 40 FGA's] with any team.
Achieved by recording at least 40 points and 8 rebounds with Carmelo Anthony.
Achieved by recording at least 30 points, 10 assists and 5 steals with Allen Iverson.
Achieved by recording at least 40 points, 5 rebounds and 5 assists with Kobe Bryant.
Achieved by making 15 three pointers or more with any team.
Achieved by recording at least 20 points and 15 assists with Steve Nash.
Achieved by recording 30 assists or more with any team.
Achieved by scoring at least 60 points in the paint with any team.
Achieved by scoring at least 15 fastbreak points with any team.
Achieved by recording at least 30 points, 15 rebounds and 5 blocks with Yao Ming.
Achieved by winning the Sprite Slam Dunk Contest using LeBron James.
Achieved by winning this matchup on All-Star difficulty.
Achieved by winning one online ranked game.
Achieved by creating a 2K Beats Playlist.
Achieved by using the Create Player feature.
Achieved by holding the opposing team's FG% below 40% with any team.
Achieved by winning the 3pt Shootout.