Free for Windows Mac and linux. java required.
http://mindemia.com/hostilesector/
currently in alpha, servers are down for MP but solo might work
Looks interesting. Will have to check it out .
Cool. I like the concept.
Looks like a persistent online Jagged Alliance 2.
If it's indeed turn-based (as it looks), it would probably take a lot of time investment in the head-to-head matches. Good thing is they say there's some large conquerable 'world' where wins & losses mean something.
I was able to start the game and get to the tutorial. I had to register at the webpage, then use my email address and website password to launch the game. But it was single player. It was so choppy on my low end system that I gave up.