Here is the full list of all 43 FIFA 14 achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Perform a Diving Header Clearance
Complete the Silver stage of all Skill Games
Win a game on Legendary after trailing at half time
Become Legendary on one of the Skill Challenges in Skill Games
Win your first seasons match in Pro Clubs
Start a Co-op Season with a friend
Finish a season in Online Friendlies
Earn a trophy in Seasons
Earn Promotion in Seasons
Win a trophy as a Team Manager in Career
Straight Arm a Defender to Protect the Ball
Score with a Dipping Volley
Open 20 packs in FUT
Open up your inbox while advancing in Career
Complete a Be a Pro Challenge on any difficulty in Highlights of the Week
Beat a friend’s score in Skill Games
Complete all Manager Tasks in FUT
Change your formation from the Team Management tile in Squad during your Career
Scout and find a player with any combination of 3 Global Transfer Network attributes in Career
Send a Scout on an Area Scouting mission.
Be featured in the team of the week in your Career as a Player
Play a Drop-In Match in Pro Clubs
Unlock a single Skill Challenge in Skill Games
Change your captain in FUT
Play a Game of the Week in Highlights of the Week
Earn a player's loyalty in FUT by playing 10 or more games with him
Follow a Football Club Recommendation
Follow a Football Club News & Alert to start or enter FUT
Gift a Football Club Catalogue item to a friend
Win a division title in FUT Seasons
Redeem an item from the Football Club Catalogue
Score a Perfect Hat Trick (left foot, right foot, header)
Score with a Curling Lace Shot
Challenge the Team of the Week in FUT
Win the ball back with a Second Chance Tackle
Apply your first Chemistry Style consumable in FUT
Create a FUT Club
Score with an Outside of the Foot Shot
Score with a first time Sliding Shot
Apply a 99 Match Player Contract from the Catalogue to any player in FUT
Unlock 15% of the Pro Accomplishments in Pro Clubs
Complete a Match Day Challenge in Highlights of the Week on at least World Class difficulty
Reach EA SPORTS Football Club Level 15