TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Hearts of Iron IV - Hearts of Iron IV is a Real-time Strategy, War, Single and Multiplayer video game created and published by Paradox Interactive.
Domination - Domination is a game that is a bit like the well known board game of Risk.
Call of War - Call of War is a Free to play, Adventure-based Strategy, Massively Multiplayer Online and Strategy video game created and published by Bytro Labs GmbH.
ThumbZilla - Awesome thumb stomping and kicking action game.
Crusader Kings II: Conclave - Crusader Kings II: Conclave is an Adventure-based, Strategy, Single and Multiplayer Simulation created and published by Paradox Development Studios.