Playstation Plus Extra
In short
PlayStation Plus Extra is a paid subscription tier for Sony's PlayStation consoles that provides access to a large catalogue of downloadable games.
In plain words
You pay a regular fee to get a library of games you can download and play. It is a step up from the basic tier, offering much more variety than just online multiplayer.
A simple example
A player subscribes to the service and immediately downloads a recent adventure game from the provided list without buying it separately.
Why it matters
It allows gamers to try many different titles for a single price. This makes it easier to discover new genres without spending a lot of money on individual games.
Easy to mix up
It is often confused with PlayStation Plus Premium, which includes additional features like cloud streaming and classic games.