The series is noted for having a strong focus on user-generated content. In all of the games, the player can build their own levels and share them online with other users on the PlayStation Network. This is reflected is the series' tagline, "Play. Create. Share." The player is also able to customise other areas of the game such as their player character, Sackboy (also referred to as Sackgirl or gender-neutral Sackperson).
The games in the series have been well received by critics with the PlayStation 3 game and the PSP game attaining Metacritic scores of 95% and 87% respectively.