NationStates is an online nation simulation game where players create their own nation and control its government, economy, military, and environment. Players can customize their nation with a variety of options, including its form of government, currency, language, and culture. Players can also join regional alliances and engage in diplomacy with other nations. NationStates is a free-to-play game that is accessible through any browser, and it has an active community of players from around the world.
eRepublik
Fantasy-Sim
Cyber Nations
Combat system based primarily on energy compared to nation states, dealing with government decisions without any combat.