Fire to the Stars - http://www.firetothestars.com/

Fire to the Stars is a brand new online multiplayer web game. Registration
is free and games begin as soon as ten players are ready. Here are the
features for the game:

- Played in a web browser - no plug-ins, no downloads!
- Turns happen automatically every hour and units follow your commands.
- Cities produce resources for improvements, units, growth, and research.
- Random events in cities give bonuses to cities with extra happiness,
money, or power.
- Grow your population and turn them into armies and colonies.
- Deploy units like Spearmen, Archers, and Musketmen to capture cities.
- Engage in diplomacy with other real players to make enemies or allies.
- Each world made of hexes, and generated uniquely for your game.
- Research hundreds of technologies unlocking new units and improvements.

Right now, the planetary phase of the game is being tested. Then, the
galactic phase will be tested. The full game will be 100 players put into
the same galaxy, 10 each on 10 worlds.

http://www.firetothestars.com/