Bridge Constructor Playground
is now available via Steam for the PC and Mac, Headup Games
announced - to celebrate the release, the company offers a release discount of 50% for the first days (price afterwards: $9.99 / €9,99 / £6.99). This game includes 30 levels in which you have to build bridges over deep valleys, canals or rivers. Your bridges will be subjected to a stress test to see whether they can support the weight of the cars and/or trucks which drive across them.
and a video are available for your viewing pleasure.