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

Teamwork (10 points): Watch the credits.
Blammo! (10 points): Earn the Bingo, Bango & Bongo point on a single shot in the Bingo Bango Bongo Traditional game mode.
Weather Report (10 points): Complete an online 18-hole round in the rain using the Live Weather feed.
The Comeback Kid (15 points): Come back from a +5 or worse to finish Even or better, in any Traditional or Online game mode round.
Tough at the Top (15 points): Compete in Play-The-Pros mode and submit your score online.
Play with the Big Boys (20 points): Drive the ball 400 or more yards in the fairway in any Traditional or Online game modes.
Maximum Power (25 points): Complete an 18-Hole round using a max stats costume in any Traditional or Online game modes.
Raindancer (25 points): Play in the rain and score an Eagle or better in any Stroke based Traditional or Online game modes.
Riding Spinnaz (25 points): Sink an approach shot using backspin covering a distance of 5ft or greater in any game mode.
Taking Flight (25 points): Total 50 Birdies with a created golfer.
Eye of the Hurricane (25 points): Shoot under Par through a Gale Force wind in a Traditional or Online game mode 18-hole round.
It's All in the Hips (30 points): Use Precision Putter to sink a 30ft putt without Putt Preview, in a Traditional or Online game mode.
Bare Minimum (30 points): Play a round under Par in a Traditional or Online game mode with a Driver, SW, 5 Iron and Putter.
Big Money (30 points): Win 5 Million Dollars in Live Tournaments.
Piece of Cake (30 points): Post a Top 50 score in a Live Tournament.
Migration (35 points): Total 100 Birdies using a created golfer.
Birds of Prey (35 points): Total 25 Eagles using a created golfer.
Big Tuna (50 points): Play an 18-hole Traditional or Online game mode round in FIR and GIR using only tuned clubs.
Aces High (50 points): Ace a Par 4 or a Par 5 hole in any Traditional or Online game mode.
Well-Seasoned (50 points): Complete a PGA Tour Season with at least 10 Million Dollars in career earnings.
Circle of Life (55 points): Score an Ace, an Eagle, a Birdie, a Par and a Bogey in a single round of a PGA Tour Event.
Eagle Eye (55 points): Total 100 Eagles using a created golfer.
Ten Thousand Ways (75 points): Earn 10,000 Player Points in EA Sports GamerNet.
Challenge the World (75 points): Complete the Tournament Challenge mode.
Sharkies (80 points): Play 18 holes online against an EA Tiburon team member or against a player who has this Achievement.

Additionally, there are four secret achievements:

From Bad to Worse (10 points): Hit the ball from any bunker into a different hazard, such as a Water Hazard or Out of Bounds.
Mulligans Island (15 points): Use 20 or more Mulligans during an 18-hole round, in any Traditional or Online game modes.
No Known Survivors (35 points): Equip the CEC Mining Hazard Suit.
Levinator25 (55 points): Complete the first Bonus Challenge in Tournament Challenge.