Steam can now show game achievements in separate ‘sets’

Valve is introducing a major new feature for Steam achievements called "achievement sets" that lets developers list different groups of achievements for a base game and DLCs. "In games that support sets, you still unlock achievements by playing the game as usual," Valve says . "But when you browse what you have unlocked afterward, Steam will break the long list of game achievements into the developer-created sets, making it easier to see what you have completed and to find other related achievem