Developed by Iceflake Studios
https://www.survivingtheaftermath.com/Surviving the Aftermath is the new Survival Colony Builder published by Paradox Interactive and developed by Iceflake Studios, available from October 19 on Xbox Game Preview and in Early Access on the Epic Games Store. The full game will release on all digital platforms in 2020.
Build a new settlement for your survivors, explore a procedurally generated world, and face formidable catastrophes. The end of the world is just the beginning!
https://iceflake.com/
This is not the same developer as Surviving Mars, same publisher, though.