Needs tons of memory.. Has same problems as the original:
misbehavior in modes > 320x200. blah blah blah. Requires
pmwunlited sunflow.exe

http://sunsite.lanet.lv/ftp/mirror/x2ftp/msdos/programming/pmode/pmwun120.zip
http://www.scene.org/file.php?file=/demos/groups/pulse/pls_sunf.zip&fileinfo