The Metal Gear Solid games span across decades, though not in chronological order. This should clear the timeline up.
The PS3 had many great games post-PS4 launch, like South Park: The Stick of Truth, Dark Souls 2, and The Evil Within.
However, since there aren't ranking systems that matter in the main series until Metal Gear Solid: Peace Walker, there's no need to replay any Snake Tale after having beaten it once unless you wanted ...
With Metal Gear Solid Delta Snake Eater nowhere to be seen, eyes are turning to the also-missing Production Hotline series.
It's a shame, too, as there's no shortage of excellent PS3 games that remain exclusive to the console without any form of re-release. That includes Metal Gear Solid 4: Guns of the Patriots ...