Commodore 64 (c64)

Apple IIe

Palm IIIx

sdl frotz

gargoyle-free

Quixe (website)

DOS Frotz

The same little scene (with a bit of ascii graphics) from Slutworld on Commodore 64, Apple II, Palm IIIx, sdl-frotz (playing the z5 file), gargoyle-free (playing the ulx file), the website (Quixe), DOS Frotz, and Windows Frotz on WIndows XP.