
Jack Tretton was very happy when NPD released their monthly sales data for April. Tretton saw sales grow 410% in the US in April. Sales grew because of Grand Theft Auto IV and Gran Turismo 5: Prologue, combined produced a sales surge of over 2 million units.
The president of Sony Computer Entertainment America, Tretton said:
“Clearly, the tremendous legacy of Grand Theft Auto on PlayStation, combined with the blockbuster launch of Gran Turismo 5 Prologue packed a one-two punch with consumers at retail this month,”

