<s>
Telengard	B-Application
is	O
a	O
1982	O
role-playing	O
dungeon	O
crawler	O
video	O
game	O
developed	O
by	O
Daniel	O
Lawrence	O
and	O
published	O
by	O
Avalon	O
Hill	O
.	O
</s>
<s>
Lawrence	O
first	O
wrote	O
the	O
game	O
as	O
DND	B-Application
,	O
a	O
1976	O
version	O
of	O
Dungeons	O
&	O
Dragons	O
for	O
the	O
DECsystem-10	B-Device
mainframe	B-Architecture
computer	I-Architecture
.	O
</s>
<s>
He	O
continued	O
to	O
develop	O
DND	B-Application
at	O
Purdue	O
University	O
as	O
a	O
hobby	O
,	O
rewrote	O
the	O
game	O
for	O
the	O
Commodore	B-Device
PET	I-Device
2001	I-Device
after	O
1978	O
,	O
and	O
ported	O
it	O
to	O
Apple	O
II+	O
,	O
TRS-80	B-Device
,	O
and	O
Atari	B-Device
800	I-Device
platforms	O
before	O
Avalon	O
Hill	O
found	O
the	O
game	O
at	O
a	O
convention	O
and	O
licensed	O
it	O
for	O
distribution	O
.	O
</s>
<s>
Reviewers	O
noted	O
Telengards	B-Application
similarity	O
to	O
Dungeons	O
and	O
Dragons	O
.	O
</s>
<s>
RPG	O
historian	O
Shannon	O
Appelcline	O
noted	O
the	O
game	O
as	O
one	O
of	O
the	O
first	O
professionally	O
produced	O
computer	O
role-playing	O
games	O
,	O
and	O
Gamasutras	O
Barton	O
considered	O
Telengard	B-Application
consequential	O
in	O
what	O
he	O
deemed	O
"	O
The	O
Silver	O
Age	O
"	O
of	O
computer	O
role-playing	O
games	O
preceding	O
the	O
golden	O
age	O
of	O
the	O
late	O
1980s	O
.	O
</s>
<s>
Some	O
of	O
the	O
game	O
's	O
dungeon	O
features	O
,	O
such	O
as	O
altars	O
,	O
fountains	O
,	O
teleportation	O
cubes	O
,	O
and	O
thrones	O
,	O
were	O
adopted	O
by	O
later	O
games	O
such	O
as	O
Tunnels	B-Application
of	I-Application
Doom	I-Application
(	O
1982	O
)	O
.	O
</s>
<s>
In	O
Telengard	B-Application
,	O
the	O
player	O
travels	O
alone	O
through	O
a	O
dungeon	O
fraught	O
with	O
monsters	O
,	O
traps	O
,	O
and	O
treasures	O
in	O
a	O
manner	O
similar	O
to	O
the	O
original	O
Dungeons	O
&	O
Dragons	O
.	O
</s>
<s>
In	O
the	O
early	O
releases	O
such	O
as	O
Apple	B-Device
II	I-Device
,	O
the	O
game	B-Application
world	I-Application
has	O
no	O
sound	O
and	O
is	O
represented	O
by	O
ASCII	B-Protocol
characters	I-Protocol
,	O
such	O
as	O
slashes	O
for	O
stairs	O
and	O
dollar	O
signs	O
for	O
treasure	O
.	O
</s>
<s>
Unless	O
the	O
player	O
enters	O
a	O
special	O
cheat	O
code	O
,	O
progress	B-Application
is	I-Application
lost	I-Application
upon	I-Application
dying	I-Application
.	O
</s>
<s>
While	O
a	O
computer	B-General_Concept
science	I-General_Concept
student	O
at	O
Purdue	O
University	O
,	O
Daniel	O
Lawrence	O
wrote	O
several	O
hobbyist	O
computer	O
games	O
for	O
the	O
university	O
's	O
PDP-11	B-Device
RSTS/E	B-Operating_System
mainframe	B-Architecture
computer	I-Architecture
,	O
and	O
one	O
grew	O
into	O
Telengard	B-Application
.	O
</s>
<s>
In	O
his	O
1976	O
and	O
1977	O
college	O
summer	O
breaks	O
at	O
home	O
,	O
he	O
worked	O
at	O
BOCES	O
in	O
Spencerport	O
,	O
New	O
York	O
,	O
where	O
he	O
wrote	O
a	O
dungeon	O
crawl	O
game	O
called	O
DND	B-Application
(	O
postdating	O
the	O
similar	O
but	O
unrelated	O
dnd	B-Application
)	O
in	O
the	O
BASIC	O
programming	O
language	O
for	O
the	O
DECsystem-10	B-Device
'	O
s	O
TOPS-10	B-Operating_System
operating	O
system	O
.	O
</s>
<s>
At	O
college	O
,	O
he	O
ported	O
the	O
game	O
to	O
Purdue	O
's	O
PDP-11	B-Device
RSTS/E	B-Operating_System
.	O
</s>
<s>
In	O
1978	O
,	O
Lawrence	O
purchased	O
the	O
Commodore	B-Device
PET	I-Device
2001	I-Device
and	O
no	O
longer	O
needed	O
the	O
university	O
's	O
computer	O
,	O
though	O
the	O
microcomputer	O
's	O
lack	O
of	O
memory	O
was	O
his	O
primary	O
design	O
obstacle	O
.	O
</s>
<s>
He	O
rewrote	O
DND	B-Application
as	O
Telengard	B-Application
within	O
eight	O
kilobytes	O
of	O
memory	O
and	O
designed	O
the	O
dungeon	O
to	O
be	O
procedurally	O
generated	O
based	O
on	O
the	O
player-character	O
'	O
s	O
position	O
so	O
the	O
maps	O
would	O
not	O
have	O
to	O
be	O
stored	O
in	O
memory	O
.	O
</s>
<s>
It	O
was	O
easily	O
ported	O
to	O
the	O
Apple	O
II+	O
and	O
TRS-80	B-Device
platforms	O
due	O
to	O
their	O
similar	O
usage	O
of	O
the	O
8K	O
BASIC	O
programming	O
language	O
.	O
</s>
<s>
The	O
later	O
Atari	B-Device
800	I-Device
port	O
required	O
a	O
more	O
complicated	O
handling	O
of	O
string	O
variables	O
.	O
</s>
<s>
The	O
IBM	B-Device
PC	I-Device
port	O
required	O
a	O
rewrite	O
into	O
the	O
C	B-Language
programming	I-Language
language	I-Language
;	O
the	O
source	O
code	O
for	O
this	O
version	O
was	O
later	O
lost	O
.	O
</s>
<s>
The	O
Heath/Zenith	O
CP/M	B-Application
version	O
requires	O
MBASIC	B-Language
.	O
</s>
<s>
Matt	O
Barton	O
of	O
Gamasutra	O
reported	O
that	O
Lawrence	O
's	O
DND	B-Application
(	O
and	O
consequently	O
,	O
his	O
Telengard	B-Application
)	O
was	O
directly	O
inspired	O
by	O
Whisenhunt	O
and	O
Wood	O
's	O
dnd	B-Application
for	O
PLATO	B-Operating_System
,	O
with	O
its	O
randomized	O
dungeons	O
and	O
minimalist	O
graphics	O
,	O
though	O
Lawrence	O
recalled	O
in	O
an	O
interview	O
that	O
he	O
had	O
not	O
seen	O
or	O
known	O
of	O
their	O
game	O
.	O
</s>
<s>
Computer	O
Gaming	O
Worlds	O
Scorpia	O
wrote	O
that	O
Telengard	B-Application
was	O
based	O
on	O
the	O
earlier	O
,	O
public	B-Application
domain	I-Application
software	I-Application
Castle	O
Telengard	B-Application
.	O
</s>
<s>
Norman	O
Banduch	O
provided	O
an	O
early	O
review	O
for	O
Telengard	B-Application
in	O
the	O
December	O
1982	O
issue	O
of	O
The	O
Space	O
Gamer	O
,	O
saying	O
"	O
Telengard	B-Application
could	O
have	O
been	O
a	O
good	O
game	O
,	O
but	O
is	O
marred	O
by	O
poor	O
programming	O
and	O
lack	O
of	O
polish	O
.	O
</s>
<s>
RPG	O
historian	O
Shannon	O
Appelcline	O
identifies	O
Telengard	B-Application
as	O
one	O
of	O
the	O
first	O
professionally	O
produced	O
computer	O
role-playing	O
games	O
.	O
</s>
<s>
Scorpia	O
in	O
1993	O
stated	O
that	O
while	O
Telengard	B-Application
was	O
"	O
interesting	O
for	O
its	O
time	O
,	O
the	O
game	O
would	O
be	O
pretty	O
dated	O
today	O
"	O
compared	O
to	O
the	O
Gold	O
Box	O
games	O
;	O
"	O
back	O
then	O
,	O
however	O
,	O
it	O
was	O
hot	O
stuff	O
,	O
and	O
a	O
fun	O
way	O
of	O
passing	O
the	O
time	O
"	O
.	O
</s>
<s>
Barton	O
of	O
Gamasutra	O
placed	O
Telengard	B-Application
alongside	O
Wizardry	B-Device
and	O
the	O
early	O
Ultima	O
series	O
in	O
what	O
he	O
deemed	O
"	O
The	O
Silver	O
Age	O
"	O
of	O
computer	O
role-playing	O
games	O
that	O
preceded	O
the	O
golden	O
age	O
of	O
the	O
late	O
1980s	O
.	O
</s>
<s>
Yet	O
in	O
1992	O
,	O
Computer	O
Gaming	O
World	O
Gerald	O
Graef	O
wrote	O
that	O
Telengard	B-Application
and	O
Temple	B-Application
of	I-Application
Apshai	I-Application
were	O
"	O
quickly	O
overshadowed	O
"	O
by	O
the	O
Wizardry	B-Device
and	O
Ultima	O
series	O
.	O
</s>
<s>
Some	O
of	O
the	O
game	O
's	O
dungeon	O
features	O
,	O
such	O
as	O
altars	O
,	O
fountains	O
,	O
teleportation	O
cubes	O
,	O
and	O
thrones	O
,	O
were	O
adopted	O
by	O
later	O
games	O
such	O
as	O
Tunnels	B-Application
of	I-Application
Doom	I-Application
(	O
1982	O
)	O
,	O
and	O
Sword	B-Application
of	I-Application
Fargoal	I-Application
(	O
1982	O
)	O
has	O
similar	O
features	O
.	O
</s>
<s>
Barton	O
wrote	O
in	O
2007	O
that	O
Telengard	B-Application
"	O
still	O
enjoys	O
considerable	O
appreciation	O
today	O
"	O
and	O
questioned	O
whether	O
the	O
Diablo	B-Application
series	I-Application
was	O
"	O
but	O
an	O
updated	O
Telengard	B-Application
"	O
.	O
</s>
