What’s the relationship between sales of the 1281 PS2 games sold in December 2006 and their corresponding Metacritic scores?
High scoring games need good marketing to sell well.
Most games are low quality and sell poorly.
[EDIT: 2008-10-30] Graham passed on an Edge article from 2007 which comments the “Badly reviewed games that sold well were almost all licenses”
[EDIT: 2009-05-31] Jurie Tweets Does game quality translate into better financial performance?
“A higher marketing spend can increase a game’s gross revenue three times more than positive review scores.”
Of course, none of this is substantiated as their data and methods are not available to analyse.