Playstation Store has several digital games from SOEDESCO Publishing on sale at a steep discount until 11/18/2019 (PS+ required for best discount):
Defunct – Reg. 14.99, Sale 0.44 (PS+ same price)
Adam’s Venture: Origins – Reg. 14.99, Sale 1.49, PS+ 0.74
Note: A few more games are on sale from this publisher but not as heavily discounted. They may be found by searching for SOEDESCO in the Playstation Store from your PS4.