Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

High Roller (15 points): Earn $150,000 in one Campaign Mode game.
Whale (25 points): Earn $250,000 in one Campaign Mode game.
Bombs Away (13 points): Win a game by only passing the ball.
Ground Attack (17 points): Win a game by only running the ball.
Underdog (15 points): Beat the Nightmare in Hard Difficulty in Quickplay when using the Grizzlies or Hammerheads.
Butterfingaz (10 points): Beat the computer in a bonus Quick play game of Butterfingaz.
Domination (10 points): Beat the computer in a bonus Quick Play game of Domination.
Special Teamer (25 points): Return a punt or a kickoff for a touchdown in a Campaign Mode game.
Shutout (10 points): Complete one shut out game in Campaign Mode.
Juiced (15 points): Train both Rookie and Veteran up to an A+ rating during Campaign Mode.
Top Dog (6 points): Beat an online opponent with your Campaign Mode custom team.
Custom Pain (14 points): Beat 10 online opponents with your Campaign Mode custom team.
Air Supremacy (20 points): Gain 400 passing yards in any Campaign Mode game.
Groundhog (35 points): Gain 200 rushing yards in any Campaign Mode game.
Sticky Fingers (20 points): Gain 200 receiving yards in any Campaign Mode game.
Ownage (20 points): Win 10 games online.
Pwnage (50 points): Win 25 games online.
Mexico'd (11 points): Knock Mexico out of the game with a game-ending injury (Quickplay or Campaign Mode).
Headhunter (10 points): Knock Julius Williams out of the game (Quickplay or Campaign).
Shutdown (10 points): Hold an opposing team to under 100 combined (pass/rush) yards in a Campaign Mode game.
Buffet Victory (30 points): Win a Quick Play game with every team.
Fast Learner (10 points): Complete every Training Camp task.
Playmaker (5 points): Score a 90+ yard touchdown in Campaign mode.
Romo (25 points): Cause 3 or more injuries to your opponent in a single Campaign Mode game.
Gunslinger (6 points): Throw at least 6 TD passes in a single game in Campaign mode.
Scrubs Champ (25 points): Beat Division 3 in Campaign Mode.
Division 2 Champ (70 points): Beat Division 2 in Campaign Mode.
The End (150 points): Beat Campaign Mode.
Rushing Champ (15 points): Win the rushing title with your rookie (any division in Campaign Mode).
Passing Champ (15 points): Win the passing title with your rookie (any division in Campaign Mode).
Receiving Champ (15 points): Win the receiving title with your rookie (any division in Campaign Mode).
LT's Pride (25 points): Completed 20 sacks with a veteran in one Division Season.
Thief (15 points): Force 7 turnovers with your veteran in a Division Season in Campaign Mode.
L33T (50 points): Win every game in Campaign Mode.
Arsenal (9 points): Score 19 points in a quarter in Campaign Mode.
Greatest Show (15 points): Score 24 points in a quarter in Campaign Mode.
Manvalanche (15 points): Get 12 sacks in one Campaign Mode game.
Bling Bling (25 points): Buy every piece of bonus equipment that's unlocked after you beat Campaign Mode.
Deep Pockets (10 points): Earn $500,000 dollars online.
Mad Bank (20 points): Earn $1,000,000 dollars online.

Additionally, there are seven secret achievements:

ROFL Waffle (0 points): Lose five games in a row online.
Blind (0 points): Throw over five interceptions in one game.
O RLY? (0 points): Lose by more than 24 points in Campaign mode.
Weak Sauce (0 points): Lose to Arizona in game 1 of Campaign mode.
Lollercoaster (0 points): Fumble the ball five times in a game.
Burning Sensation (69 points): Pick something up from your last opponent.
Tables Turn (30 points): Injured Quentin Sands in Division 1.