Steam Achievement Sets will stop DLCs from ruining your 100 percent record. Engadget reported the announcement; here's what's confirmed so far.
Early reaction from reviewers:
staff@engadget.com (Mariella Moon), writing for Engadget, noted: "Steam has launched Achievement Sets in beta."
This page will be updated automatically as more details or reviews become available. For the original announcement, see Engadget.