What works
Download the demo:http://www.darwinia.co.uk/downloads/index.html
Installation works.
Playing works without major problems.

What does not
Changing screen settings crashes the game.
There are some sound glitches from time to time.

What was not tested
Playing the whole demo.

Additional Comments

like any other program - run the game from inside the installation directory otherwise it can't load the *.dat files.