Tannenberg how to find deal, saw lots of giveaways.

You look under the "Deals" thread which you've posted this thread under and check the threads.. often times you will find it pretty quickly. The first place to look for big titles are in the HB monthly threads. HB March

The Where are those giveaways coming from thread is a place where most people of the SG community post for questions like this.

In the Humble Monthly April 2019?

March HM

I usually use Isthereanydeal, set up alerts to fire off when something on my WL is below 50%, too. It's a pretty neat site.

https://isthereanydeal.com/game/tannenberg/info/

Unfortunately for you Tannenberg was part of the Humble Bundle Monthly, so you can't get it anymore.