oh, forgot to mention some features;
in editor;
-make hills, plateau, roughen or smooth matrix
-'smart' painting of tiles (eg, roads automatically link up correctly and reset their heights when slanted sideways, rock blends with grass and sand etc)
-position objects
-paint trees onto the landscape, they are then automatically upodated with any changes eg. height, deleted if below water or on a road.
- load and save maps
ingame:
-car physics/damage
-4 weapons (pistol,machine gun,shotgun,rocket launcher)
-particles (explosions, water, blood)
-ai on cars,people and police (chase and shoot you)
-realtime weather/day-night cycle
coincidence? how about pure cosmic convergence!