Sony is justifiably proud of SingStar. It's sold over 17 million units. Over 4 million songs have been bought and downloaded. It's also almost universally adored by critics. Everyone at Eurogamer plays SingStar, for example, often to the exclusion of Guitar Hero and Rock Band. SingStar's brilliant, and it's a success. So it's slightly bizarre that the highest score it's ever had on Metacritic, across 26 individual disc releases, is 82, with the majority languishing in the mid-70s, if not lower.