Here is the full list of all 44 FIFA 18 achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox One.
Win a penalty shoot-out without missing
Complete an entire day's Daily Objectives in FIFA Ultimate Team
Score a goal with a downward header
Win the Women's International Cup tournament
Score a goal from a High Cross
Win a division title in FIFA Ultimate Team Seasons
Win promotion to Division 1 of FIFA Ultimate Team Seasons
Spend a skill point in Pro Clubs
Score a goal by tricking the keeper with a Fake Shot
Complete a Weekly Objective in FIFA Ultimate Team
Play a women's football match
Score a goal with a Flair Shot in a women's football match
Complete a Squad Building Challenge Group in FIFA Ultimate Team
Play 20 games in any game mode within FIFA Ultimate Team
Achieve a 10 partnership rating with your striker partner
Win Division Title in Online Head to Head Seasons (must be obtained through game-play)
Complete and win your first Pro Club Seasons league match
Perform a quicksub after you concede a goal
Sell a player and negotiate a Sell-On Clause with the buying club
Complete your first Squad Building Challenge in FIFA Ultimate Team
Complete a multiplayer skill game
Score a goal from a counter attack that started with a goalkeeper driven throw
In Pro Clubs, use in matches each of your 3 Play Styles
Win a game in FIFA Ultimate Team Squad Battles
Challenge and complete a match against the Team of the Week in FIFA Ultimate Team
Complete 20 Squad Building Challenges in FIFA Ultimate Team
Score by performing an outside of the foot free kick
Finish an Online Friendlies Season
Score a goal using a low shot
Win the EFL Cup in The Journey
In career mode, compete for the same player with other teams, and win the negotiation war
Unlock all traits in one skill-tree path
During open play, score a long-distance goal with a defender (25 yards out)
Secure a player on the first try.
Assist a goal using a threaded through pass
Perform 3 successful threaded through ball passes with the same player in the attacking third
Finish The Journey
Complete a Daily Objective in FIFA Ultimate Team
Successfully dribble an opponent by using The Bridge
In the journey, add a cosmetic item to Alex Hunter
Win all 4 matches in a FUT Draft session in FIFA Ultimate Team
Score 5 goals in a women's football match
Buy a player by paying his release clause
Score a goal after 10 consecutive passes in the opposing third of the pitch