tworld(6) on Linux
The text 1d93a97698c1, as Debian 4.0 (Etch) shipped it.
Tile World
Flags it lists
-
-D -
-F -
-H -
-L -
-P -
-R -
-S -
-V -
-a -
-b -
-d -
-h -
-l -
-n -
-p -
-q -
-r -
-s -
-t -
-v