Sony doesn't see the appeal in retro games – even its own.

In an interview with Time, PlayStation global sales chief Jim Ryan toed the company line with regards to backwards compatibility – a feature Xbox One has, but PlayStation 4 does not.

"When we’ve dabbled with backwards compatibility, I can say it is one of those features that is much requested, but not actually used much," Ryan said.

"That, and I was at a Gran Turismo event recently where they had PS1, PS2, PS3 and PS4 games, and the PS1 and the PS2 games, they looked ancient, like why would anybody play this?"

That Sony remains cool towards backwards compatibility is no surprise, especially as its strategy is releasing remasters of its older games like Parappa the Rapper, Uncharted, God of War III, and the upcoming Crash Bandicoot. And of course, plenty of third-parties are doing the same with games like Darksiders, Bulletstorm, and Dishonored.

I feel there are plenty of older games I'd jam the hell out of on PS4 if I could. Even so, I agree with Ryan on one point – Gran Turismo 1 is probably a dire game by today's standards... because it was dire when it launched as well, and games aren't fine wine.

Elsewhere in the interview, global game development boss Shawn Layden divulged that PlayStation had sold more than a million PlayStation VR headsets worldwide (up from 915k in Feb), and that one in five PlayStation 4 sales is a PlayStation Pro.

"[Pro] is way ahead of our expectations," he said.

"As with PSVR, and I suppose in forecasting these things we haven't done a very good job, the product is in desperately short supply. So that's one-in-five under severe constraint."