I think [0] is an example of what Terry (TempleOS [dead]) is talking about. Graphics certainly give the terminal a fun feel! =)

(sound warning, there are some very raw tones)

[0]: https://www.youtube.com/watch?feature=player_detailpage&v=EV...

P.S. The REPL command line in TempleOS is very cool. You can even disassemble your shell functions.