If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
New version with lots of improvements!
Get your sunken colonies in place and take the marines out as they come.
You’ll be confronted by increasingly stronger forces, so it’s a good idea to maintain and expand your defensive capabilities.
Note: This game requires a lot of processing power.
The game file is rather large at 9MB.