I have an issue with objects being dropped from above a certain hight falling directly through the terrain. I'm aware there are some issues with detection of impacts between small objects at speed, however it seems more like the conditions have to be absolutely perfect for the collision to work at all. I've had to tinker with gravity and resistance a lot to try and stop this, and I've currently got it so most don't. However, I don't foresee all the objects that get dropped in my games being...
Objects constantly falling through the ground.
Objects constantly falling through the ground.