Release date: March 10th 2015
EDIT: Since the game is now released, let's continue discussions in new topics!
FAQ Thread:
http://forum.paradoxplaza.com/forum/showthread.php?836421-FAQ-Guide
Release announcement trailer:
Paradox Interactive and Colossal Order just announced their own city builder, trailer mocks Sim City 2013
Website and Forum:
https://www.paradoxplaza.com/cities-skylines
http://forum.paradoxplaza.com/forum/forumdisplay.php?859-Cities-Skylines
Thing mentioned in Paradox's livestream event not mentioned on website (I was watching them announce there games via twitch):
Game has 38 by 38 km maps - when devs were comparing it to that OTHER game after reveal
traffic, ect simulation is exact opposite of Sim City 2013 (visuals display simulation instead of visuals defining the simulator) - mentioned in Q&A after reveals
reasorces and special industry eg. timber or mining - Quill18 asked about it.