<s>
Jewels	B-Application
of	I-Application
Darkness	I-Application
is	O
a	O
trilogy	O
of	O
text	O
adventure	B-Application
games	O
by	O
Level	O
9	O
.	O
</s>
<s>
They	O
featured	O
some	O
themes	O
and	O
names	O
inspired	O
by	O
the	O
books	O
of	O
J	O
.	O
R	O
.	O
R	O
.	O
Tolkien	O
and	O
so	O
became	O
known	O
as	O
the	O
Middle-Earth	B-Application
Trilogy	I-Application
.	O
</s>
<s>
The	O
individual	O
releases	O
were	O
available	O
for	O
the	O
BBC	B-Device
Micro	I-Device
unlike	O
the	O
compilation	O
.	O
</s>
<s>
In	O
1986	B-Application
the	O
three	O
games	O
were	O
revised	O
,	O
expanded	O
and	O
rereleased	O
together	O
as	O
a	O
compilation	O
.	O
</s>
<s>
For	O
legal	O
reasons	O
the	O
references	O
to	O
Middle	O
Earth	O
were	O
removed	O
and	O
the	O
trilogy	O
was	O
retitled	O
Jewels	B-Application
of	I-Application
Darkness	I-Application
.	O
</s>
<s>
It	O
described	O
the	O
puzzles	O
as	O
illogical	O
,	O
the	O
Commodore	O
version	O
's	O
graphics	O
as	O
"	O
crude	O
"	O
,	O
and	O
,	O
like	O
the	O
parser	O
,	O
below	O
the	O
standard	O
of	O
previous	O
Firebird	O
text	O
adventures	B-Application
.	O
</s>
