 The issues caused online retailer Amazon.com to temporarily withdraw the downloadable version of "SimCity" from its marketplace citing customer complaints.It was also discovered that there were several issues with the GlassBox engine such as traffic taking the shortest route instead of the route with the most available capacity and sims not living persistent lives but rather going to the nearest available workplace for work and nearest available house after work.EA responded to server issues by adding additional servers and developing a server patch that disables "non-critical gameplay features [including] leaderboards, achievements and region filters."