BAABE is a freeware interactive fiction interpreter and framework for
RISC OS.  The script files are written in ordinary BASIC for ease of
adventure creation and maintenance, with several veneers and
informational variables made available from the main interpreter.
Documentation from both the gamer's and programmer's perspective is
included in the archive, along with some examples for you to play with,
and hopefully give you an idea of how to write your own games.

The headline feature it the engine's extraordinary capacity for
translation and internationalisation.  All text, from cut scenes to verb
handles, is held in message files looked up by means of ResFind. It goes
beyond that, too - the sentence structure the player enters commands in
is not fixed, so depending on the configuration, 'put ball in bag' and
'bag put the ball' could both be valid commands.

The only requirements for programming using BAABE are a reasonable
amount of experience in BASIC, and a lot of imagination!

http://www.starfighter.acornarcade.com/mysite/games.htm#baabe

[1] Bloody Awkward Adventure Back-End.

--
 __<^>__   Red sky in the morning: Shepherd's warning
/ _   _ \  Red sky at night: Shepherd's delight
( ( |_| ) ) Mince and potatoes: Shepherd's pie
\_>   <_/  ======================= Martin Bazley ==========================