X-COM - X-COM is a Science-Fiction, Turn-base Tactics, Strategy and Single-player video game series developed by Mythos Games and published by MicroPose.
Mount & Blade II: Bannerlord - Mount and Blade II: Bannerlord is an Action-Adventure, Hack and Slash, Single-player and Multiplayer video game developed and published by TaleWorlds Entertainment.
Xenonauts - Xenonauts attracts greatly on the sci-fi universe of the original X-COM to make a very familiar turn based tactical adventure.
FallNation - When facing the end, and the last resource is no more than a company of soldiers.
Freeman: Guerrilla Warfare - Freeman: Guerrilla Warfare is a new type of FPS combined with strategy game and RPG elements.
Kenshi - A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story.