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

  Deus-Ex Socca (5 points): Defeat a CPU controlled team in single player or 
  local multiplayer. 
  Over The Moon (5 points): Score 10 goals in any match type except local 
  multiplayer over multiple matches. 
  Stay The Distance (15 points): Complete a single player preset league in 1st, 
  2nd or 3rd. 
  World Of Friends (10 points): Win an Xbox LIVE friendly match. 
  High Tension (15 points): Win a penalty shootout. 
  It Is Now (15 points): Score the winning goal with 90 minutes on the clock or 
  120 minutes if there is extra time. 
  Gentlemanly Conduct (20 points): Complete a single player preset league as the 
  best team. 
  Possession (10 points): Play a match without any of your players receiving a 
  card. 
  Goalscoring Superstar Hero (20 points): Achieve an end of match possession 
  rating of 75% or higher. 
  Thrash'Em (25 points): Win by 5 or more goals in an Xbox LIVE ranked match. 
  Flying Header Hero (30 points): Defeat any team in single player by 10 goals 
  or more. 
  Unknown (30 points): Score a goal using diving header.