TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Victoria II - Victoria II is a Single and Multiplayer Grand Strategy video game developed and published by Paradox Interactive.
Domination - Domination is a game that is a bit like the well known board game of Risk.
Supremacy 1914 - Supremacy 1914 is an Awesome, Browser-based, Massively Multiplayer Online, Real-time Strategy, and building video game created Bytro Labs and published Bigpoint Games.
ThumbZilla - Awesome thumb stomping and kicking action game.
Europa Universalis IV - Europa Universalis IV is a Historically, RTS, Sandbox, Combat, Single and Multiplayer video game developed and published by Paradox Interactive.