Achievements are found in many video games. They provide the player with additional goals to complete. Common examples of achievements may be gaining a certain amount of points, finding hidden areas of a level or progressing to a certain point in the story.
The following services support achievements for games played on them:
- game-center - iOS and possibly Mac OS X in the future.
- psn - PlayStation 3 and PlayStation portables
- steam - Windows and Mac OS X
- xbox-live - Xbox 360 and certain Windows games