No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $794.3K — a different platform, not this one.

Disgaea 6 Complete

You can download and play this content on the main PS5 console associated with your account (through the “Console Sharing and Offline Play” setting) and on any other PS5 consoles when you login with your same account.