Those who already own the title will be able to continue playing the full game—including online features—without interruption. We have done our utmost to ensure that this decision causes as little inconvenience as possible; however, we sincerely apologize to anyone who views the act of making the title private as a detriment in itself.
I have explained this below....
https://steamcommunity.com/app/461040/eventcomments/660485761139884796?snr=1_2108_9__2107&ctp=2#c562532756308967257
We would be deeply grateful for your understanding.
This announcement was written and published by the developers/publisher of PICO PARK:Classic Edition on Steam; it is mirrored here unedited for readability, with full credit and a link to the original above. © the respective rights holders. Rights holder and want it removed? Email us — we take it down promptly.