This Seeking Tech guide will explain how you can find discounts that are exclusive to PlayStation Plus members on PS4. In order to do so, you can take the following steps:
1. In the home screen menu, go to the PS Plus Games App.
2. Inside the app, select Benefits on the left and then Essential.
3. Afterwards, select Exclusive Discounts.
4. You should then select the View Games option.
You should now see a list of games that feature PlayStation Plus discounts.