Paradox Interactive and Colossal Order announce open beta testing is underway for Cities in Motion, their upcoming urban mass transportation simulation. The beta client is available for download from FilePlanet (FP registration is not required), and the beta is set to continue until February 20th, offering: "the city of Vienna in sandbox mode along with one scenario – ‘Part with Petrol’." Here's word on what the full game will include: "Featuring an in-depth campaign mode made up of 12 scenarios along with an open ended sandbox mode, an advanced map editor that allows players to create their own cities, plus much more, Cities in Motion will challenge players to create the perfect public transport system that has no cancellations, no delays and where the passengers are always happy!"