FreeCiv - Freeciv is an open-source, turn-based strategy game based on Civilization II.
Kingdom Rush - Epic game of tower defense available across multiple platforms.
Sid Meier’s Civilization VI - Sid Meier’s Civilization VI is a Turn-based Strategy, War, Tactical, Single and Multiplayer video game created by Firaxis and published by 2K.
The Creeps - The Creeps is a Strategy, Tower-defense, Horror, Zombies and Single-player video game created by Super Squawk Software LLC.
C-evo - C-evo is a freeware empire building game for Windows
Star Fox Guard - Star Fox Guard is a 3D, Strategy, Tower-defense, and Single-player video game developed and published by Nintendo.