TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
World Conqueror 1945 - World Conqueror 1945 is a strategy game based on WWII (Super Risk).
Puzzle Strike - Puzzle Strike is a Puzzle, Board, Single and Multiplayer video game created and published by Sirlin Games.
NationStates - NationStates is an innovative, browser-based game that tries to simulate the real challenges and turmoils that come from trying to govern a modern state.
Lux Delux - Lux Delux is a game of strategy and domination inspired by the board game Risk.
eRevollution - Multiplayer strategy game that allows users to run the economy, conquer other nations, become a politician and rule a country,or liberate your country and start a resistance war.