Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
http://www.gamingonlinux.com/articles/tropico-5-citybuilding-sim-to-release-alongside-steam-machines.3400
Lots of big name games are finding a place in the Linux world. Steam is really doing a lot to promote Linux-based gaming.
My loving wife bought me Tropico (1) when it first came out. That was a lot of fun. I'm always tempted to try a newer release.