It has been a long time since another 6DoF has been in development. Last one was Descent 3, released back in 1998. 6DoF stands for six degrees of freedom.
Shown in this picture.
More details on it.
http://en.wikipedia.org/wiki/Six_degrees_of_freedom
And here is a perfect example of 6DoF in action, Descent 2. Not me playing.
[youtube]http://www.youtube.com/watch?v=zxgq7cBeS1Q[/youtube]
If you didn't get scared away. :sbigsmile: Check out Retrovirus in its early stage.
http://cadenzainteractive.com/games/retrovirus
If you want a new challenge, this is it. I'm definitely ready to get back into this style of game play again.