I think there should be at least simple jumping allowing to get over small obsticles. Also, some objects that have things like leaves, or whatever the case may be, that act as solid objects; these need to be fixed.
There is also a bug where the portal doesn't acknowldge your going through it, and you have to pass by it once or twice.
There is also a bug where the portal doesn't acknowldge your going through it, and you have to pass by it once or twice.