Road to your city is certainly not what I expected when I first saw it. A city-builder where you make your own Football team and deal with all the issues that comes with it.
For those of you with a creative side that fancy building a theme park, Parkitect is a good option. It's currently in Early Access and progress is great.
One from the 'inbox of no return' that I sadly missed, Out of The Box from developer Nuclear Tales is a time-management thriller where you decide the fate of the quirky customers of a luxurious club and it has Linux support.
Nimbatus - The Space Drone Constructor is an excellent Early Access game where you snap blocks together to make some truly ridiculous creations. Stray Fawn Studio have now outlined their future plans and it sounds fun.
Hypergate from developer Geoff Nagy seems like a pretty good space combat sim that will release with Linux support in December. It has a new trailer to show off.
The wacky spy-agency sim Holy Potatoes! A Spy Story?! from Daylight Studios is going to release on November 7th and they will be continuing their Linux support.