![]() ![]() This is cool on a simulation level, but it also means that you’re better off approaching each problem like an engineer and not like a kid with a box full of K’NEX. The physics do a spectacular job taking into account the strength and weight of all your materials as well as the structural integrity of each joint, so the game knows when your shaky bridge won’t be able to support its own weight, much less a steady stream of traffic. ![]() Unfortunately, creativity only gets you so far in Poly Bridge. The best materials are limited, but I like how that encouraged me to be creative, and I enjoyed finding unorthodox solutions to structural engineering problems. Later levels also unlock sturdier building materials, and I was always eager to put these new supplies to the test. As the challenges progress, the cars get heavier, the distances get longer, and you have to worry about other environmental factors (such as boat traffic). The goal of each of Poly Bridge’s 100-plus levels is simple: Build a bridge that allows various vehicles to cross a river or some other geological gap. After playing Poly Bridge, I’m very familiar with that emotional roller coaster – albeit on a much smaller scale. On the day of its collapse, Moisseiff’s pride turned into horror and then shame. Only four months after its construction, Moisseiff’s prize was rippling like waves, and eventually collapsed into the Puget Sound where it became one of the world's largest man-made reefs. The third-longest suspension span of its era, Moisseiff’s bridge was so slender and elegant that he believed it was the "most beautiful bridge in the world." Unfortunately, the Tacoma Narrows Bridge had a tendency to sway erratically in the wind, quickly earning the nickname Galloping Gertie. In the late 1930s, structural engineer Leon Moisseiff designed a suspension bridge that spanned the Tacoma Narrows strait. ![]()
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