The Settlers Online - The Settlers is a free web browser based strategy game along with a gameplay that drops anywhere between Age of Empires and the online strategy style.
Towns - The game brings a fresh new take on the city building/management genre by introducing many RPG features. In Towns you manage a settlement on top of an active dungeon.
Romance of the Three Kingdoms - Romance of the Three Kingdoms is an Addictive Turn-based Tactical, Role-playing, Strategy, War-based, Single and Multiplayer video game series developed and published by Koei.
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Banished - As always, Email support (at) shiningrocksoftware (dot) com if you have any issues. This will likely be the last update of Banished, except for any major bug fixes. The OSX and Linux versions development has stopped, and won't be released.
Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.