Home declared a "long term" prospect as Sony reveals download figures.
PlayStation Home stands to become "an essential component for all PS3 games", according to the service's director.
Sony Computer Entertainment Europe's Peter Edward predicted the online virtual world would become integral to future PS3 titles as the company continues to develop the service, Gamasutra reports.
"Home is the starting point for PlayStation 3 online, and that's something that gamers are going to expect as more games support Game Launch from within Home," he said. "This will become an essential component for all PS3 games."