There are 50 achievements with a total of 1000 gamerpoints. Unlock the Achievements by doing the said task and then get it along with it's alloted gamerscore.
Unlockable How to Unlock
Throw 4 TD Passes in a Game (15) Throw 4 touchdown passes in a single game.
350 Total Passing Yards (15) Pass for 350 or more total yards in a game.
200 Total Rushing Yards (15) Rush for 200 or more total yards in a game.
No Fumbles in a Game (15) Do not fumble the ball in a game.
No Interceptions in a Game (15) Do not throw an interception in a game.
Win by 21 (10) Win a game by 21 points or more.
Pass to 5 Different Receivers (10) Complete a pass to 5 or more receivers in a game.
100 Yard Receiver (10) Gain 100 or more receiving yards with a single player.
100 Yard Rusher (10) Rush for 100 or more yards with a single player.
Complete a 60 Yard Pass (30) Complete a pass for 60 or more yards.
Break a 30 Yard Run (10) Break a run for 30 or more yards.
Break a 60 Yard Run (20) Break a run for 60 or more yards.
Allow No Sacks (15) Do not give up any sacks in a game.
Intercept 2 Passes (15) Intercept 2 passes in a game on defense.
Recover 2 Fumbles (15) Recover 2 fumbles on defense in a game.
Return Interception for a TD (20) Return an interception for a touchdown.
Return Fumble for TD (20) Score a touchdown after recovering a fumble on defense.
Make 4 Sacks (20) Sack the opposing quarterback 4 or more times in a game.
Held Under 200 Yards (10) Hold the opposition to under 200 total yards.
Held Under 100 Yards (25) Hold the opposition to under 100 total yards.
Complete a 30 Yard Pass (10) Complete a pass for 30 or more yards.
2 Sack Player (10) Make 2 sacks in a game with the same player.
Score a Safety (30) Score a safety on defense.
Shutout (30) Prevent your opponent from scoring any points in a game.
Punt Return for TD (15) Return a punt for a touchdown.
Kickoff Return for TD (20) Return a kickoff for a touchdown.
50 Yard Punt (15) Punt the ball 50 or more net yards.
50 Yard Field Goal (25) Kick a 50 or more yard field goal.
Block a Punt (25) Block a punt.
Block a Field Goal (25) Block a field goal.
Score 35 Points (15) Score 35 points or more in a game.
500 Total Yards (25) Gain 500 total yards or more in a game.
#1 Offensive (25) Have the #1 ranked offense in a dynasty season.
#1 Defense (25) Have the #1 ranked defense in a dynasty season.
Undefeated (10) Go undefeated during a season in dynasty mode.
Conference Champs! (10) Win a conference championship game.
Heisman Memorial Trophy (25) Win the Heisman Memorial Trophy with a player on your dynasty team.
5 Star Recruiting (25) Sign 8 or more 5 star prospects in your recruit class.
Bowl Win (10) Win a bowl game in dynasty mode.
National Champions! (25) Lead your team to a BCS championship in dynasty mode.
Dynasty Trifecta! (50) Win the National Championship in three back-to-back seasons in dynasty mode.
Mr. February (25) Have the #1 ranked recruiting class in a dynasty season.
60 Year Dynasty (100) Complete 60 years of Dynasty.
Perfect Game (40) Bowl a 300 Game
High Score - Option Dash (40) Score 15,000 or more points in Option Dash.
Win Tug-of-War (40) Win the Tug-of-War mini-game.
Junior Varsity Level Earn 250 gamer points in the game.
Varsity Level Earn 500 gamer points in the game.
All-American Level Earn 750 gamer points in the game.
Heisman Level Earn 1000 gamer points in the game.