Flatten airports in X-Plane
Some airports in X-Plane have terrain issues that can be quite entertaining.
This Delta 737-800 got lost in the maze of cargo ramps at PANC and was trying to taxi back to the terminal when it encountered a steep icy taxiway. It required 65% N1 just to get up the slope.
Clearly a fix is required. It turns out to be quite simple. In the global airports file apt.dat, find the offending airport. In this case, it’s PANC where its entry looks like: