Strategy
Strategy video games is a video game genre that emphasizes skillful thinking and planning to achieve victory. They emphasize strategic, tactical, and sometimes logistical challenges. Many games also offer economic challenges and exploration. These games sometimes incorporate physical challenges, but such challenges can annoy strategically minded players. Read the full article at the Wikipedia.

Total War: Shogun 2 - Fall of the Samurai
Experience the dramatic conflict of samurai culture and modern weaponry between the Imperial throne and the last Shogunate in 19th century Japan.
Genre: Strategy, Action 
Medieval II: Total War™
Spanning the most turbulent era in Western history, your quest for territory and power takes you through Europe, Africa, the Middle...
Genre: 4X, Turn-based, Strategy, Simulation, Action 
Bridge Constructor Portal
by ClockStone
Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™...
Genre: Puzzle, Strategy, Simulation 
Golf With Your Friends
Golf With Your Friends is a challenging, multiplayer mini golf game for up to 12 players.
Genre: Sports, Strategy, Simulation, Action 
Worms W.M.D
The worms are back in their most destructive game yet.
Genre: Shooter, Turn-based, Strategy, Action 
Worms Clan Wars
Worms™ Clan Wars is the biggest and best Worms™ game to date - more worms, larger landscapes, more dynamic water, more weapons...
Genre: Turn-based, Strategy, Action 
Ravenfield
by SteelRaven7
Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics!
Genre: Shooter, Strategy, Adventure, Simulation, Action 
X3: Terran Conflict
by EGOSOFT
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people.
Genre: 4X, Strategy, Simulation, Action 
X3: Reunion
by EGOSOFT
The Sequel to the award winning X²: The Threat introduces a new 3D engine as well as a new story, new ships and a new gameplay to...
Genre: Strategy, Simulation, Action 
Overlord II
Overlord II, sequel to the critically acclaimed cult hit, sees the return of the chaotic Minions and their new Dark Master.
Genre: Puzzle, Strategy, Adventure, Action 
Overlord™: Raising Hell
How evil can you get? Discover how corruptible you are in Overlord, the twisted fantasy action adventure where you can be evil (or really evil).
Genre: Puzzle, Strategy, Adventure, Action