https://www.humblebundle.com/games/strategy-bundle-2019

Niche - a genetics survival game
https://store.steampowered.com/app/440650/
Ashes of the Singularity: Escalation
https://store.steampowered.com/app/507490/
Throne of Lies The Online Game of Deceit
https://store.steampowered.com/app/595280/
BTA
Dungeons 3
https://store.steampowered.com/app/493900/
Offworld Trading Company
https://store.steampowered.com/app/271240/
Offworld Trading Company: Jupiter's Forge Expansion Pack
https://store.steampowered.com/app/561150/
$9
Stellaris
https://store.steampowered.com/app/281990/
Plague Inc: Evolved
https://store.steampowered.com/app/246620/
$15
Sid Meier’s CivilizationR VI
https://store.steampowered.com/app/289070/