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

Create Stadium Sound (20 points): Create a custom Stadium Sound event.
Break The Ice (10 points): Make a Field Goal when "Iced".
QB Quiz Success (10 points): Successfully Complete a Quiz the QB Challenge.
Sick 'Em Smokey (10 points): While playing as the Tennessee Volunteers, celebrate a touchdown by running to your mascot.
Don't Mess With Texas (10 points): While playing as the Texas Longhorns, celebrate a touchdown by running to your mascot.
Got Gator Bait? (10 points): While playing as the Florida Gators, celebrate a touchdown by running to your mascot.
Play a Mascot Game (15 points): Play a Mascot Game with any mascot teams.
Let The Air Out (15 points): As the away team, get into the endzone in the first 30 seconds of the game.
Triple Threat (20 points): Score a receiving, rushing, and passing touchdown with one player.
Pick-Free (15 points): Do not throw any interceptions in a Play Now or Dynasty Mode game.
Cue the Fat Lady (10 points): Win a Play Now or Dynasty Mode game by 21 points or more.
Tippy Toe! Lemon Tree! (30 points): Score a touchdown with your receiver by performing a toe-drag animation.
Get Creative (30 points): On a non-option play, score a TD with at least one lateral.
That Just Happened! (25 points): Score a rushing touchdown with your punter in a Play Now or Dynasty Mode game.
Go Deep for 50+ (20 points): Complete a pass for 50 or more yards in a Play Now or Dynasty Mode game.
Breaker Breaker 4-9 (20 points): Break a run for 49 or more yards in a Play Now or Dynasty Mode game.
Ice In Your Veins (20 points): Be the hero and win a game by taking the lead as time expires.
HIT STUCK (10 points): Jar the ball loose with a User-Controlled Hit Stick tackle.
Pick Two (15 points): Intercept 2 passes in a Play Now or Dynasty Mode game.
Record Breaker - Interceptions (25 points): Break the game record for interceptions with one player (5) in a Play Now or Dynasty Mode game.
Pick 6! (20 points): Take an interception back to the house in a Play Now or Dynasty Mode game.
Scoop and Score! (20 points): Scoop a fumble on defense and take it to the house in a Play Now or Dynasty Mode game.
Take Control In The Clutch (10 points): Sack the QB with a user-controlled defender on 3rd down to force a punt situation.
On Lockdown (20 points): Hold the opposition to under 100 total yards in a Play Now or Dynasty Mode game.
Up and Over (10 points): Take it up the middle in a goalline situation and dive into the endzone.
Safety And Sound (30 points): Force a safety in Play Now or Dynasty Mode.
Mmmmm.....Donut (30 points): Pitch a shutout by holding your opponent to zero points. Valid only in Play Now or Dynasty Mode.
Is That Even Legal? (20 points): Return a missed field goal for a touchdown. Only valid in Play Now or Dynasty Mode.
I'm Special! (20 points): Take a punt or kickoff back to the house for a touchdown. Valid only in Play Now or Dynasty Mode.
A/V Club President (20 points): Upload a Video or Photo Highlight.
Join the Ranks (10 points): Play a ranked game.
Reach Out and Crush Someone (30 points): Join or Host an Online Dynasty.
BCS Conference Invite (25 points): Get an invite to a BCS conference in single team Dynasty Mode.
Conference Champs! (10 points): Play and win a conference championship game in single team Dynasty Mode or Campus Legend Mode.
Heisman Memorial Trophy® (25 points): Win the Heisman Memorial Trophy® in single team Dynasty Mode or Campus Legend Mode.
Out On a High Note (10 points): Play and win a bowl game in single team Dynasty Mode or Campus Legend Mode.
National Champions! (30 points): Play and win a BCS championship in single team Dynasty Mode or Campus Legend Mode.
Oil Tycoon (25 points): Develop a new pipeline state in single team Dynasty Mode.
Mr. February (30 points): Have the #1 ranked recruiting class in a season in single team Dynasty Mode.
Win at H _ _ _ _ (20 points): Win the H.O.R.S.E mini-game.
Special Teams Challenge Winner (20 points): Win the Special Teams Challenge Mini-Game.
Russell High School Champ (40 points): Win the Russell High School Championship Game in any state.
The Legend of Campus Legend (100 points): Earn More Than 1,000 Points in Campus Legend Mode.
Place at the Table! (10 points): Become a Starter in Campus Legend Mode.
High School Hero (20 points): Become a 5-star legend prospect.
Pontiac G8 4th Quarter Comeback (30 points): Win a Play Now or Dynasty Mode game when down by 14 to start the 4th quarter (Varsity or higher difficulty).
Old Spice Red Zone Perfection (15 points): Complete a Play Now or Dynasty Mode game with a Red Zone Efficiency rating of 100%.
Old Spice Red Zone Shutout (5 points): Complete a Play Now or Dynasty Mode game without allowing a Touchdown from the Red Zone.

Additionally, there is one secret achievement:

What Were You Thinking?!?! (5 points): Throw the ball away on 4th down.