<s>
Mordor	B-Application
:	I-Application
The	I-Application
Depths	I-Application
of	I-Application
Dejenol	I-Application
is	O
a	O
role-playing	O
video	O
game	O
released	O
in	O
1995	B-Application
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Mordor	B-Application
inspired	O
a	O
sequel	O
,	O
Demise	B-Application
:	I-Application
Rise	I-Application
of	I-Application
the	I-Application
Ku'tan	I-Application
,	O
released	O
in	O
2000	O
.	O
</s>
<s>
Despite	O
its	O
name	O
,	O
the	O
game	O
is	O
not	O
set	O
in	O
the	O
"	O
Mordor	B-Application
"	O
realm	O
of	O
Middle-earth	O
created	O
by	O
J	O
.	O
R	O
.	O
R	O
.	O
Tolkien	O
.	O
</s>
<s>
Allen	O
designed	O
Mordor	B-Application
after	O
a	O
late-1970s	O
multi-user	B-Application
dungeon	I-Application
game	O
named	O
Avatar	B-Application
,	O
which	O
ran	O
on	O
the	O
PLATO	B-Operating_System
system	I-Operating_System
developed	O
by	O
the	O
University	O
of	O
Illinois	O
.	O
</s>
<s>
Unlike	O
Avatar	B-Application
,	O
Mordor	B-Application
offers	O
single-user	O
play	O
only	O
,	O
although	O
players	O
can	O
run	O
several	O
characters	O
in	O
the	O
dungeon	O
concurrently	O
and	O
control	O
up	O
to	O
four	O
characters	O
simultaneously	O
in	O
a	O
single	O
party	O
.	O
</s>
