Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Pikmin 4 - Pikmin 4 is a Fantasy-based, Real-time Strategy, Puzzle and Single-player video game by Nintendo.
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Stardew Valley - Stardew Valley is a 2D Awesome, Action, Role-playing, Crafting, Top-down, Building, Sandbox and Single-player video game create by ConcernedApe and published by Chucklefish.
Rise of Nations - Rise of Nations was launched back in 2003 but is still considered to be one of the most popular and effective real-time strategy (RTS) games of all time.
SimEarth: The Living Planet - SimEarth: The Living Planet is a Single-player Life-Simulation developed by Maxis for Mac and DOS.