Another one seeing the engine not detecting the object reaching the goal http://FantasticContraption.com/?designId=649250 is one of mine that has been misbehaving. If its any use I noticed that a small change in the solution changed whether the target was detected or not
Yeah a lot of level designers think the goal border counts, when it doesn't. the goal objects must be 100% within the pink shaded area, not the darker outline. For this reason a lot of people will make the goal area overlap with the terrain a bit.