Gameplay
Whilst adding some features, such as a path-finding tool, Falcon's Eye doesn't alter the NetHack gameplay. Peltonen says that this was to ensure that future versions remain compatible with future releases of NetHack.
Falcon's Eye provides a context menu when a creature or item is right-clicked. Users can customize the interface by configuring the keyboard commands or by adding sound effects.
Read more about this topic: Falcon's Eye