The Battle for Wesnoth - The Battle for Wesnoth is a turn-based tactical strategy game with a high fantasy theme.
OpenTTD - An open-source clone of the classic game ...
FreeCiv - Freeciv is an open-source, turn-based strategy game based on Civilization II.
Simutrans - Simutrans is an open-source transport simulator.
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.
Transport Tycoon Deluxe - Transport Tycoon Deluxe is a Business Simulation developed by Chris Sawyer and published by MicroProse.