Not available for puchase anymore?

[Nedly Dedly]

I own the game, but I saw it again while looking for something on the store and noticed that it's not buyable anymore. How come?

[GX7]

One can buy it no problem. Not sure if it was not available for a while, but it's perfectly buyable right now:

https://store.steampowered.com/app/349140/Corrosion_Cold_Winter_Waiting_Enhanced_Edition/