<s>
is	O
a	O
1994	O
survival	O
horror-adventure	O
video	O
game	O
developed	O
by	O
Riverhillsoft	O
and	O
published	O
in	O
Japan	O
by	O
Panasonic	O
for	O
the	O
3DO	B-Device
Interactive	I-Device
Multiplayer	I-Device
.	O
</s>
<s>
Doctor	B-Application
Hauzer	I-Application
has	O
stark	O
graphical	O
and	O
gameplay	O
similarities	O
with	O
early	O
titles	O
in	O
the	O
Infogrames	O
survival	O
horror	O
series	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
which	O
feature	O
3D	O
polygonal	O
characters	O
and	O
objects	O
set	O
against	O
fixed	O
,	O
pre-rendered	O
backgrounds	O
.	O
</s>
<s>
However	O
,	O
Doctor	B-Application
Hauzer	I-Application
is	O
the	O
first	O
of	O
this	O
genre	O
to	O
include	O
fully	O
3D	O
environments	O
that	O
the	O
player	O
can	O
explore	O
while	O
freely	O
swapping	O
between	O
third-person	O
,	O
first-person	O
,	O
and	O
top-down	O
perspectives	O
.	O
</s>
<s>
These	O
characteristics	O
were	O
carried	O
over	O
into	O
Riverhillsoft	O
's	O
next	O
game	O
,	O
OverBlood	B-Application
.	O
</s>
<s>
In	O
spite	O
of	O
the	O
game	O
's	O
single	O
region-exclusivity	O
,	O
Doctor	B-Application
Hauzer	I-Application
has	O
been	O
reviewed	O
by	O
several	O
publications	O
outside	O
Japan	O
and	O
has	O
been	O
met	O
with	O
an	O
overall	O
average	O
critical	O
reception	O
.	O
</s>
<s>
It	O
has	O
enjoyed	O
positive	O
commentary	O
for	O
its	O
sound	O
design	O
and	O
achievement	O
of	O
3D	O
graphics	O
on	O
a	O
home	B-Device
console	I-Device
.	O
</s>
<s>
Like	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
Doctor	B-Application
Hauzer	I-Application
has	O
been	O
viewed	O
by	O
some	O
sources	O
as	O
a	O
notable	O
step	O
in	O
the	O
early	O
evolution	O
of	O
the	O
survival	O
horror	O
genre	O
.	O
</s>
<s>
Doctor	B-Application
Hauzer	I-Application
is	O
a	O
survival	O
horror-adventure	O
game	O
in	O
which	O
the	O
objective	O
is	O
to	O
explore	O
a	O
large	O
mansion	O
in	O
search	O
of	O
clues	O
leading	O
to	O
the	O
missing	O
,	O
titular	O
character	O
.	O
</s>
<s>
The	O
game	O
utilizes	O
tank	O
controls	O
,	O
whereby	O
pushing	O
up	O
or	O
down	O
on	O
the	O
controller	O
's	O
directional	B-Device
pad	I-Device
moves	O
the	O
player	O
character	O
forward	O
or	O
backward	O
relative	O
to	O
the	O
direction	O
he	O
faces	O
and	O
pushing	O
left	O
or	O
right	O
rotates	O
him	O
.	O
</s>
<s>
However	O
,	O
the	O
mansion	O
in	O
Doctor	B-Application
Hauzer	I-Application
features	O
no	O
combat	O
or	O
enemies	O
and	O
instead	O
relies	O
upon	O
numerous	O
traps	O
and	O
obstacles	O
that	O
can	O
cause	O
the	O
player	O
an	O
instant	O
game	B-Application
over	I-Application
.	O
</s>
<s>
The	O
backstory	O
of	O
Doctor	B-Application
Hauzer	I-Application
is	O
explained	O
during	O
the	O
game	O
's	O
prologue	O
,	O
expounded	O
through	O
its	O
protagonist	O
.	O
</s>
<s>
Doctor	B-Application
Hauzer	I-Application
was	O
developed	O
by	O
a	O
small	O
team	O
at	O
Riverhillsoft	O
,	O
a	O
Japanese	O
company	O
better	O
known	O
for	O
its	O
J.B.	B-Application
Harold	I-Application
Murder	I-Application
Club	I-Application
series	O
of	O
murder	O
mystery	O
adventure	O
games	O
.	O
</s>
<s>
Doctor	B-Application
Hauzer	I-Application
was	O
directed	O
by	O
Kenichiro	O
Hayashi	O
and	O
produced	O
by	O
Kazuhiro	O
Okazaki	O
.	O
</s>
<s>
A	O
music	O
composer	O
for	O
Doctor	B-Application
Hauzer	I-Application
is	O
not	O
credited	O
,	O
though	O
Ken	O
Inaoka	O
is	O
listed	O
as	O
having	O
created	O
its	O
sound	O
effects	O
.	O
</s>
<s>
The	O
young	O
designer	O
,	O
wanting	O
to	O
make	O
a	O
name	O
for	O
himself	O
at	O
the	O
company	O
,	O
intensely	O
researched	O
the	O
budding	O
technology	O
and	O
experimented	O
on	O
higher-end	O
personal	B-Device
computers	I-Device
capable	O
of	O
producing	O
3D	O
programs	O
at	O
the	O
time	O
.	O
</s>
<s>
Hino	O
felt	O
that	O
with	O
the	O
release	O
of	O
the	O
3DO	B-Device
Interactive	I-Device
Multiplayer	I-Device
the	O
era	O
of	O
3D	O
gaming	O
had	O
officially	O
begun	O
and	O
Doctor	B-Application
Hauzer	I-Application
was	O
subsequently	O
developed	O
for	O
the	O
platform	O
.	O
</s>
<s>
It	O
is	O
often	O
recognized	O
for	O
its	O
narrative	O
,	O
graphical	O
,	O
and	O
gameplay	O
similarities	O
to	O
the	O
Infogrames	O
series	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
though	O
the	O
two	O
differ	O
in	O
certain	O
ways	O
.	O
</s>
<s>
Whereas	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
focuses	O
more	O
on	O
horror	O
and	O
earlier	O
titles	O
feature	O
3D	O
polygonal	O
characters	O
and	O
objects	O
set	O
against	O
pre-rendered	O
backgrounds	O
,	O
Doctor	B-Application
Hauzer	I-Application
centers	O
more	O
on	O
adventure	O
and	O
has	O
texture-mapped	O
,	O
polygonal	O
environments	O
that	O
can	O
be	O
explored	O
with	O
multiple	O
camera	O
perspectives	O
.	O
</s>
<s>
Upon	O
its	O
release	O
in	O
Japan	O
,	O
Doctor	B-Application
Hauzer	I-Application
was	O
evaluated	O
by	O
the	O
staff	O
of	O
Weekly	O
Famitsu	O
alongside	O
many	O
other	O
3DO	B-Device
titles	O
that	O
immediately	O
followed	O
the	O
console	O
's	O
launch	O
in	O
the	O
region	O
the	O
month	O
prior	O
.	O
</s>
<s>
Three	O
of	O
the	O
magazine	O
's	O
four	O
contributors	O
included	O
the	O
game	O
as	O
a	O
top	O
recommendation	O
for	O
new	O
3DO	B-Device
owners	O
.	O
</s>
<s>
Though	O
Doctor	B-Application
Hauzer	I-Application
was	O
never	O
officially	O
localized	O
outside	O
of	O
Japan	O
,	O
it	O
has	O
earned	O
critical	O
commentary	O
from	O
several	O
English	O
and	O
French	O
language	O
media	O
outlets	O
and	O
accrued	O
an	O
overall	O
average	O
reception	O
.	O
</s>
<s>
The	O
game	O
has	O
been	O
universally	O
compared	O
to	O
the	O
successful	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
series	O
,	O
so	O
much	O
so	O
that	O
members	O
of	O
the	O
press	O
often	O
referred	O
to	O
it	O
as	O
being	O
directly	O
inspired	O
by	O
or	O
a	O
clone	O
of	O
those	O
games	O
.	O
</s>
<s>
Next	O
Generation	O
viewed	O
Doctor	B-Application
Hauzer	I-Application
as	O
largely	O
derivative	O
of	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
but	O
admitted	O
to	O
not	O
finding	O
it	O
as	O
atmospheric	O
,	O
challenging	O
,	O
or	O
detailed	O
.	O
</s>
<s>
Edge	O
repeated	O
this	O
comment	O
,	O
considering	O
Doctor	B-Application
Hauzer	I-Application
"	O
polished	O
and	O
slick	O
"	O
and	O
stating	O
it	O
was	O
not	O
a	O
bad	O
thing	O
it	O
had	O
"	O
more	O
than	O
a	O
passing	O
resemblance	O
"	O
to	O
the	O
"	O
groundbreaking	O
"	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
.	O
</s>
<s>
Mark	O
Patterson	O
of	O
Computer	O
and	O
Video	O
Games	O
was	O
much	O
more	O
negative	O
,	O
recounting	O
all	O
aspects	O
of	O
Riverhillsoft	O
's	O
effort	O
as	O
blatant	O
plagiarism	O
of	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
and	O
proclaiming	O
Doctor	B-Application
Hauzer	I-Application
as	O
"	O
a	O
miserable	O
copy.	O
"	O
</s>
<s>
Alternatively	O
,	O
GameFan	O
editor-in-chief	O
Dave	O
Halverson	O
suggested	O
that	O
its	O
presentation	O
coupled	O
with	O
its	O
user	O
control	O
allowed	O
for	O
an	O
interactive	O
,	O
cinematic	O
experience	O
favoring	O
Out	B-Application
of	I-Application
this	I-Application
World	I-Application
.	O
</s>
<s>
The	O
use	O
of	O
fully	O
rendered	O
3D	O
graphics	O
in	O
Doctor	B-Application
Hauzer	I-Application
has	O
been	O
met	O
with	O
general	O
praise	O
.	O
</s>
<s>
While	O
Famitsu	O
felt	O
the	O
visual	O
offerings	O
on	O
the	O
3DO	B-Device
were	O
inferior	O
to	O
competing	O
hardware	O
in	O
1994	O
,	O
the	O
staff	O
recognized	O
that	O
the	O
polygonal	O
graphics	O
and	O
multiple	O
camera	O
perspectives	O
in	O
Doctor	B-Application
Hauzer	I-Application
helped	O
to	O
distinguish	O
it	O
.	O
</s>
<s>
Halverson	O
hailed	O
the	O
game	O
's	O
aesthetic	O
as	O
a	O
revolutionary	O
prelude	O
to	O
the	O
real-time	O
graphical	O
capabilities	O
of	O
the	O
fifth-generation	B-Application
video	I-Application
game	I-Application
consoles	I-Application
,	O
witnessed	O
primarily	O
in	O
PC	O
games	O
at	O
the	O
time	O
.	O
</s>
<s>
Edge	O
labeled	O
the	O
graphics	O
"	O
fantastic	O
"	O
and	O
was	O
impressed	O
that	O
the	O
game	O
world	O
was	O
constructed	O
entirely	O
using	O
"	O
superbly	O
detailed	O
texture-mapped	O
polygons	O
"	O
that	O
allowed	O
for	O
more	O
camera	O
viewpoints	O
and	O
an	O
improvement	O
over	O
the	O
look	O
of	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
.	O
</s>
<s>
Retro	O
Gamer	O
reflected	O
on	O
Doctor	B-Application
Hauzer	I-Application
as	O
"	O
much	O
more	O
"	O
than	O
an	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
clone	O
,	O
citing	O
that	O
it	O
likely	O
demonstrated	O
the	O
3D	O
graphical	O
prowess	O
of	O
the	O
3DO	B-Device
better	O
than	O
any	O
other	O
release	O
for	O
the	O
console	O
.	O
</s>
<s>
Edge	O
felt	O
the	O
music	O
outdid	O
its	O
visual	O
presentation	O
,	O
declaring	O
,	O
"	O
From	O
the	O
familiar-sounding	O
intro	O
tune	O
to	O
the	O
actual	O
ingame	O
score	O
,	O
Doctor	B-Application
Hauzer	I-Application
is	O
a	O
musical	O
delight.	O
"	O
</s>
<s>
Tom	O
Massey	O
of	O
Eurogamer	O
asserted	O
Doctor	B-Application
Hauzer	I-Application
as	O
"	O
one	O
of	O
the	O
3DO	B-Device
's	O
more	O
intriguing	O
exclusives	O
"	O
because	O
of	O
its	O
originality	O
and	O
sound	O
design	O
.	O
</s>
<s>
Opinions	O
regarding	O
the	O
core	O
adventure	O
gameplay	O
of	O
Doctor	B-Application
Hauzer	I-Application
have	O
been	O
somewhat	O
varied	O
but	O
mostly	O
favorable	O
.	O
</s>
<s>
The	O
magazine	O
later	O
characterized	O
the	O
puzzles	O
as	O
more	O
complex	O
yet	O
less	O
rewarding	O
than	O
those	O
in	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
while	O
Retro	O
Gamer	O
assessed	O
its	O
puzzles	O
as	O
lacking	O
"	O
the	O
subtle	O
genius	O
"	O
of	O
Resident	B-Application
Evil	I-Application
in	O
the	O
wake	O
of	O
the	O
latter	O
's	O
release	O
.	O
</s>
<s>
Next	O
Generation	O
,	O
Edge	O
,	O
and	O
Halverson	O
all	O
positively	O
noted	O
the	O
player	O
's	O
ability	O
to	O
swap	O
camera	O
modes	O
in	O
Doctor	B-Application
Hauzer	I-Application
as	O
helpful	O
or	O
even	O
essential	O
in	O
completing	O
the	O
game	O
.	O
</s>
<s>
Edge	O
declared	O
that	O
working	O
out	O
puzzles	O
and	O
advancing	O
in	O
Doctor	B-Application
Hauzer	I-Application
does	O
not	O
last	O
long	O
enough	O
and	O
that	O
having	O
a	O
larger	O
house	O
to	O
explore	O
or	O
more	O
characters	O
with	O
which	O
to	O
interact	O
would	O
make	O
the	O
game	O
"	O
an	O
essential	O
purchase.	O
"	O
</s>
<s>
The	O
publication	O
partially	O
blamed	O
the	O
playing	O
time	O
on	O
the	O
ease	O
of	O
saving	O
one	O
's	O
progress	O
,	O
but	O
admitted	O
that	O
starting	O
the	O
game	B-Application
over	I-Application
upon	O
dying	O
would	O
be	O
an	O
even	O
greater	O
drawback	O
.	O
</s>
<s>
Patterson	O
condemned	O
Doctor	B-Application
Hauzer	I-Application
for	O
having	O
"	O
incredibly	O
sluggish	O
"	O
movement	O
which	O
"	O
slaughters	O
the	O
gameplay.	O
"	O
</s>
<s>
Riverhillsoft	O
's	O
next	O
release	O
following	O
Doctor	B-Application
Hauzer	I-Application
was	O
a	O
horror	O
game	O
for	O
the	O
PlayStation	B-Device
titled	O
OverBlood	B-Application
.	O
</s>
<s>
Like	O
Doctor	B-Application
Hauzer	I-Application
,	O
this	O
game	O
was	O
completely	O
rendered	O
in	O
3D	O
and	O
featured	O
the	O
same	O
choice	O
of	O
first-person	O
,	O
third-person	O
,	O
and	O
top-down	O
camera	O
perspectives	O
.	O
</s>
<s>
A	O
few	O
publications	O
have	O
viewed	O
the	O
flat	O
,	O
shaded	O
polygons	O
in	O
Doctor	B-Application
Hauzer	I-Application
as	O
an	O
early	O
example	O
of	O
cel	O
shading	O
,	O
a	O
computer	O
graphics	O
technique	O
found	O
more	O
prominently	O
in	O
the	O
decade	O
following	O
its	O
release	O
.	O
</s>
<s>
A	O
2014	O
article	O
by	O
Lucas	O
Sullivan	O
of	O
GamesRadar+	O
called	O
Doctor	B-Application
Hauzer	I-Application
a	O
"	O
prototype	O
for	O
the	O
cel-shading	O
aesthetic	O
"	O
and	O
that	O
it	O
merely	O
lacked	O
the	O
thick	O
,	O
black	O
outlines	O
attributed	O
to	O
this	O
style	O
.	O
</s>
<s>
A	O
2016	O
issue	O
of	O
PC	O
Gamer	O
claimed	O
,	O
"	O
If	O
Jet	B-Application
Set	I-Application
Radio	I-Application
marked	O
the	O
hot	O
,	O
explosive	O
puberty	O
of	O
cel-shaded	O
graphics	O
,	O
then	O
this	O
3DO	B-Device
game	O
was	O
its	O
slithering	O
birth.	O
"	O
</s>
<s>
Some	O
sources	O
have	O
treated	O
Doctor	B-Application
Hauzer	I-Application
as	O
a	O
notable	O
step	O
in	O
the	O
evolution	O
of	O
survival	O
horror	O
leading	O
up	O
to	O
the	O
landmark	O
1996	O
debut	O
of	O
Resident	B-Application
Evil	I-Application
by	O
Capcom	O
,	O
which	O
popularized	O
and	O
helped	O
better	O
define	O
the	O
genre	O
.	O
</s>
<s>
Allistair	O
Pinsof	O
of	O
Destructoid	O
mentioned	O
Doctor	B-Application
Hauzer	I-Application
as	O
a	O
"	O
little-known	O
pioneer	O
of	O
survival	O
horror.	O
"	O
</s>
<s>
The	O
Escapist	O
contributor	O
Liz	O
Finnegan	O
wrote	O
that	O
,	O
alongside	O
contemporaries	O
like	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
,	O
Clock	B-Application
Tower	I-Application
,	O
and	O
D	B-Application
,	O
Doctor	B-Application
Hauzer	I-Application
helped	O
establish	O
many	O
of	O
the	O
tropes	O
and	O
gameplay	O
elements	O
that	O
paved	O
the	O
way	O
for	O
Resident	B-Application
Evil	I-Application
.	O
</s>
<s>
Video	O
game	O
historian	O
Carl	O
Therrien	O
of	O
the	O
Université	O
de	O
Montréal	O
wrote	O
that	O
both	O
Doctor	B-Application
Hauzer	I-Application
and	O
Alone	B-Application
in	I-Application
the	I-Application
Dark	I-Application
"	O
influenced	O
the	O
look	O
and	O
pacing	O
of	O
Resident	B-Application
Evil	I-Application
to	O
a	O
great	O
extent.	O
"	O
</s>
<s>
In	O
a	O
2013	O
Famitsu	O
magazine	O
interview	O
,	O
Silent	B-Application
Hill	I-Application
and	O
Siren	B-Application
creator	O
Keiichiro	O
Toyama	O
credited	O
Doctor	B-Application
Hauzer	I-Application
for	O
sparking	O
his	O
interest	O
in	O
developing	O
horror	O
games	O
.	O
</s>
<s>
Although	O
Doctor	B-Application
Hauzer	I-Application
was	O
not	O
officially	O
released	O
outside	O
Japan	O
,	O
fan	O
translations	O
exist	O
.	O
</s>
