This app has been deleted or is hidden to the public. There is extremely limited to no information about this app.
We don't even have a name, hence why we are displaying SteamDB Unknown App "AppID".
If you see someone screenshot a page like this and add some information/images on it, it is most likely fake.
Every change is tracked in history, and can be directly linked to.
<iframe src="https://steamdb.info/embed/?appid=588440" height="389px" width="100%" scrolling="no" frameborder="0"></iframe>
Initializing graph of a week…
Initializing graph of a year…
|SubID||Name||Billing Type||Last Updated|
|152199||Steam Sub 152199||CD Key||January 16, 2018 – 19:38:05 UTC|
|152200||Steam Sub 152200||CD Key||January 16, 2018 – 19:41:33 UTC|
|152201||Steam Sub 152201||Store or CD Key||December 13, 2017 – 18:45:31 UTC|