Epic Games is offering "Kingdom: New Lands"(Rated 87% positive on Steam) for free. The site is having a few problems so refresh a few times otherwise just claim it via Epic's client.
From the website:
Kingdom is a minimalistic micro strategy game with modern retro aesthetics and an ambient soundtrack. Players take control of a monarch struggling to build their kingdom from nothing by exploring the world, recruit loyal subjects and defend from the nightly Greed attacks.