User configurable map scale (X/Y/Z)
Cursor sizing (i.e. 0.5m, 1m, 2m, 5m, 10m, 20m, 50m, 100m)
Screen Co-Ordinates (X/Y/Z)
Zoom in and out with PAGE UP/PAGE DOWN
Rotate arbitrary (set with option?) angle
New Level (Small / Medium / Large / Custom size)
Published API to create / edit terrain
Real-time handles to allow external access to engine i.e. in-play). Consider the scenario where a Dungeon Master can modify the terrain in real-time
Real-time lighting
Real-time water
Swimming underwater (i.e. with SCUBA gear)
Destructible terrain