<s>
,	O
often	O
translated	O
to	O
The	B-Application
Portopia	I-Application
Serial	I-Application
Murder	I-Application
Case	I-Application
in	O
English	O
,	O
is	O
an	O
adventure	O
game	O
designed	O
by	O
Yuji	O
Horii	O
and	O
published	O
by	O
Enix	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
on	O
the	O
NEC	B-Device
PC-6001	I-Device
in	O
June	O
1983	O
,	O
and	O
has	O
since	O
been	O
ported	O
to	O
other	O
personal	B-Device
computers	I-Device
,	O
the	O
Nintendo	O
Famicom	O
,	O
mobile	B-Application
phone	I-Application
services	I-Application
and	O
most	O
recently	O
,	O
Windows	O
as	O
Square	O
Enix	O
showing	O
off	O
their	O
natural	B-Language
language	I-Language
processing	I-Language
technology	O
.	O
</s>
<s>
The	O
game	O
features	O
first-person	O
graphics	O
,	O
nonlinear	O
gameplay	O
,	O
an	O
open	O
world	O
,	O
conversations	O
with	O
non-player	O
characters	O
,	O
branching	B-Application
dialogue	I-Application
choices	O
,	O
suspect	O
interrogations	O
,	O
nonlinear	O
storytelling	O
,	O
and	O
plot	O
twists	O
.	O
</s>
<s>
The	O
Famicom	O
version	O
also	O
features	O
a	O
command	O
menu	O
system	O
,	O
point-and-click	O
interface	O
,	O
and	O
3D	O
dungeon	O
maze	B-Application
.	O
</s>
<s>
Upon	O
its	O
release	O
,	O
The	B-Application
Portopia	I-Application
Serial	I-Application
Murder	I-Application
Case	I-Application
was	O
well	O
received	O
in	O
Japan	O
.	O
</s>
<s>
The	B-Application
Portopia	I-Application
Serial	I-Application
Murder	I-Application
Case	I-Application
follows	O
a	O
first-person	O
perspective	O
and	O
narrative	O
.	O
</s>
<s>
The	O
player	O
interacts	O
with	O
the	O
game	O
using	O
a	O
verb-noun	O
parser	B-Language
which	O
requires	O
typing	O
precise	O
commands	O
with	O
the	O
keyboard	O
.	O
</s>
<s>
It	O
features	O
a	O
conversation	O
system	O
with	O
branching	B-Application
dialogue	I-Application
choices	O
,	O
where	O
the	O
story	O
develops	O
through	O
entering	O
commands	O
and	O
receiving	O
answers	O
to	O
them	O
from	O
the	O
player	O
's	O
sidekick	O
or	O
non-player	O
characters	O
.	O
</s>
<s>
With	O
no	O
keyboard	O
,	O
the	O
Famicom	O
version	O
replaces	O
the	O
verb-noun	O
parser	B-Language
with	O
a	O
menu	O
list	O
of	O
fourteen	O
set	O
commands	O
selectable	O
with	O
the	O
gamepad	B-Device
.	O
</s>
<s>
This	O
is	O
similar	O
to	O
the	O
command	O
selection	O
menu	O
system	O
introduced	O
in	O
Yuji	O
Horii	O
's	O
murder	O
mystery	O
adventure	O
game	O
Okhotsk	B-Application
ni	I-Application
Kiyu	I-Application
:	I-Application
Hokkaido	I-Application
Rensa	I-Application
Satsujin	I-Application
Jiken	I-Application
,	O
which	O
was	O
released	O
in	O
1984	O
,	O
in	O
between	O
the	O
PC	O
and	O
Famicom	O
releases	O
of	O
Portopia	O
.	O
</s>
<s>
One	O
of	O
the	O
commands	O
on	O
the	O
menu	O
allowed	O
the	O
player	O
to	O
use	O
a	O
point-and-click	O
interface	O
,	O
using	O
the	O
D-pad	B-Device
to	O
move	O
a	O
cursor	B-Application
on	O
the	O
screen	O
in	O
order	O
to	O
look	O
for	O
clues	O
and	O
hotspots	B-General_Concept
.	O
</s>
<s>
Additional	O
sequences	O
were	O
also	O
added	O
,	O
notably	O
an	O
underground	O
dungeon	O
maze	B-Application
,	O
with	O
a	O
style	O
similar	O
to	O
role-playing	O
video	O
games	O
.	O
</s>
<s>
He	O
"	O
started	O
to	O
get	O
more	O
ambitious	O
,	O
"	O
and	O
thought	O
he	O
"	O
could	O
make	O
the	O
computer	O
converse	O
"	O
if	O
enough	O
data	O
is	O
entered	O
,	O
attempting	O
to	O
create	O
an	O
artificial	B-Application
intelligence	I-Application
language	B-Language
algorithm	I-Language
.	O
</s>
<s>
Following	O
its	O
1983	O
release	O
,	O
the	O
game	O
was	O
ported	O
to	O
various	O
Japanese	O
personal	B-Device
computers	I-Device
.	O
</s>
<s>
The	O
Famicom	O
version	O
was	O
also	O
the	O
first	O
collaboration	O
between	O
Yuuji	O
Horii	O
and	O
Koichi	O
Nakamura	O
of	O
Chunsoft	O
,	O
before	O
Dragon	B-Application
Quest	I-Application
.	O
</s>
<s>
This	O
version	O
of	O
Portopia	O
changed	O
the	O
interface	O
,	O
adopting	O
the	O
command	O
menu	O
system	O
that	O
Horii	O
created	O
for	O
the	O
1984	O
adventure	O
game	O
Okhotsk	B-Application
ni	I-Application
Kiyu	I-Application
:	I-Application
Hokkaido	I-Application
Rensa	I-Application
Satsujin	I-Application
Jiken	I-Application
.	O
</s>
<s>
He	O
was	O
also	O
playing	O
Wizardry	B-Device
at	O
the	O
time	O
,	O
inspiring	O
him	O
to	O
include	O
a	O
3D	O
dungeon	O
maze	B-Application
in	O
the	O
Famicom	O
version	O
of	O
Portopia	O
.	O
</s>
<s>
The	O
first	O
mobile	B-Application
phone	O
version	O
of	O
the	O
game	O
was	O
branded	O
as	O
a	O
part	O
of	O
a	O
trilogy	O
along	O
with	O
mobile	B-Application
versions	O
of	O
Hokkaido	O
Rensa	O
Satsujin	O
Okhotsk	O
ni	O
Kiyu	O
and	O
Karuizawa	B-Application
Yūkai	I-Application
Annai	I-Application
.	O
</s>
<s>
It	O
was	O
released	O
in	O
2003	O
on	O
EZweb	O
and	O
Yahoo	B-Application
!	I-Application
</s>
<s>
It	O
features	O
a	O
list	O
of	O
set	O
commands	O
similar	O
to	O
the	O
Famicom	O
version	O
but	O
also	O
improved	O
graphics	O
,	O
no	O
free-moving	O
cursor	B-Application
,	O
and	O
a	O
save	O
function	O
.	O
</s>
<s>
The	O
second	O
Portopia	O
version	O
possesses	O
the	O
same	O
content	O
as	O
the	O
first	O
mobile	B-Application
one	O
,	O
in	O
addition	O
to	O
updated	O
graphics	O
,	O
background	O
music	O
,	O
a	O
bonus	O
function	O
obtained	O
after	O
completing	O
the	O
game	O
,	O
and	O
a	O
hint	O
option	O
which	O
nullifies	O
the	O
ending	O
bonus	O
if	O
it	O
is	O
used	O
too	O
frequently	O
.	O
</s>
<s>
The	O
game	O
is	O
also	O
featured	O
as	O
Square	O
Enix	O
's	O
AI	B-Application
technology	O
preview	O
,	O
released	O
worldwide	O
on	O
24	O
April	O
2023	O
.	O
</s>
<s>
This	O
version	O
features	O
various	O
natural	B-Language
language	I-Language
processing	I-Language
functionalities	O
such	O
as	O
natural	B-General_Concept
language	I-General_Concept
understanding	I-General_Concept
and	O
natural	B-General_Concept
language	I-General_Concept
generation	I-General_Concept
.	O
</s>
<s>
The	O
Japanese	O
press	O
described	O
it	O
as	O
"	O
a	O
game	O
without	O
game	B-Application
over	I-Application
"	O
because	O
"	O
there	O
was	O
technically	O
no	O
way	O
to	O
lose.	O
"	O
</s>
<s>
The	O
game	O
,	O
along	O
with	O
Super	O
Mario	O
Bros.	O
,	O
inspired	O
Hideo	O
Kojima	O
,	O
creator	O
of	O
the	O
Metal	B-Application
Gear	I-Application
series	I-Application
,	O
to	O
enter	O
the	O
video	O
game	O
industry	O
.	O
</s>
<s>
Kojima	O
considers	O
it	O
one	O
of	O
the	O
three	O
most	O
influential	O
games	O
he	O
's	O
played	O
,	O
with	O
its	O
influence	O
evident	O
in	O
his	O
games	O
,	O
including	O
the	O
Metal	B-Application
Gear	I-Application
series	I-Application
and	O
Snatcher	B-Application
.	O
</s>
<s>
The	O
PC-6001	B-Device
version	O
of	O
Portopia	O
Serial	O
Murder	O
Case	O
is	O
included	O
as	O
a	O
hidden	O
secret	O
in	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
Ground	I-Application
Zeroes	I-Application
and	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Phantom	I-Application
Pain	I-Application
.	O
</s>
<s>
Portopia	O
was	O
also	O
one	O
of	O
the	O
first	O
video	O
games	O
ever	O
played	O
by	O
Nintendo	O
's	O
Eiji	O
Aonuma	O
,	O
who	O
went	O
on	O
to	O
become	O
the	O
director	O
of	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
series	O
starting	O
with	O
Ocarina	B-Application
of	I-Application
Time	I-Application
.	O
</s>
<s>
Portopias	O
influence	O
is	O
also	O
evident	O
in	O
Horii	O
's	O
own	O
later	O
work	O
,	O
including	O
the	O
seminal	O
role-playing	O
game	O
Dragon	B-Application
Quest	I-Application
,	O
which	O
used	O
storytelling	O
techniques	O
and	O
the	O
menu	O
interface	O
from	O
Portopia	O
.	O
</s>
<s>
John	O
Szczepaniak	O
of	O
Retro	O
Gamer	O
considers	O
it	O
"	O
one	O
of	O
the	O
most	O
influential	O
games	O
"	O
as	O
it	O
was	O
responsible	O
for	O
defining	O
the	O
visual	O
novel	O
genre	O
,	O
comparing	O
it	O
to	O
the	O
role	O
of	O
Super	O
Mario	O
Bros.	O
,	O
Tetris	B-Device
and	O
Street	B-Application
Fighter	I-Application
in	O
defining	O
their	O
own	O
respective	O
genres	O
(	O
platform	O
game	O
,	O
puzzle	O
game	O
,	O
and	O
fighting	O
game	O
,	O
respectively	O
)	O
.	O
</s>
<s>
In	O
2003	O
,	O
The	B-Application
Portopia	I-Application
Serial	I-Application
Murder	I-Application
Case	I-Application
ranked	O
19th	O
in	O
a	O
poll	O
to	O
determine	O
the	O
thirty	O
best	O
Famicom	O
games	O
;	O
the	O
poll	O
was	O
conducted	O
by	O
the	O
Tokyo	O
Metropolitan	O
Museum	O
of	O
Photography	O
as	O
part	O
of	O
its	O
"	O
Level	O
X	O
"	O
exhibition	O
.	O
</s>
<s>
The	O
English-language	O
webzine	O
Retrogaming	O
Times	O
Monthly	O
compared	O
the	O
game	O
to	O
the	O
later-released	O
Shadowgate	B-Device
where	O
the	O
player	O
must	O
examine	O
and	O
collect	O
objects	O
and	O
find	O
their	O
true	O
purpose	O
later	O
on	O
,	O
and	O
recommended	O
Portopia	O
to	O
fans	O
of	O
"	O
slower	O
paced	O
games	O
that	O
require	O
 [ players ] 	O
to	O
think	O
through	O
puzzles	O
"	O
.	O
</s>
<s>
He	O
noted	O
that	O
it	O
contains	O
elements	O
found	O
in	O
a	O
number	O
of	O
later	O
titles	O
,	O
including	O
Déjà	B-Device
Vu	I-Device
,	O
Snatcher	B-Application
,	O
428	B-Application
:	I-Application
Shibuya	I-Application
Scramble	I-Application
,	O
and	O
Nine	B-Application
Hours	I-Application
,	I-Application
Nine	I-Application
Persons	I-Application
,	I-Application
Nine	I-Application
Doors	I-Application
.	O
</s>
<s>
1UP	O
also	O
noted	O
that	O
Portopia	O
is	O
similar	O
to	O
ICOM	O
Simulations	O
 '	O
Déjà	B-Device
Vu	I-Device
released	O
several	O
years	O
later	O
.	O
</s>
<s>
Nintendo	O
's	O
successful	O
Famicom	B-Application
Detective	I-Application
Club	I-Application
series	O
of	O
adventure	O
games	O
were	O
also	O
inspired	O
by	O
Portopia	O
.	O
</s>
<s>
USgamer	O
compared	O
it	O
to	O
the	O
later	O
Police	B-Device
Quest	I-Device
adventure	O
games	O
and	O
CSI	O
television	O
series	O
,	O
as	O
well	O
as	O
classic	O
Sherlock	B-Application
Holmes	I-Application
novels	O
.	O
</s>
<s>
According	O
to	O
Official	O
Xbox	O
Magazine	O
,	O
Portopias	O
features	O
,	O
such	O
as	O
point-and-click	O
,	O
murder	O
mystery	O
plot	O
,	O
open	O
world	O
,	O
suspect	O
interrogations	O
,	O
nonlinear	O
gameplay	O
,	O
dialogue	O
choices	O
,	O
and	O
alternate	O
endings	O
,	O
are	O
"	O
standard	O
for	O
2015	O
,	O
but	O
way	O
ahead	O
of	O
its	O
time	O
in	O
1983	O
"	O
,	O
comparing	O
it	O
to	O
L.A.	B-Application
Noire	I-Application
.	O
</s>
