<s>
It	O
was	O
originally	O
released	O
in	O
Japanese	O
arcades	O
in	O
1998	O
and	O
subsequently	O
ported	O
to	O
the	O
Sega	B-Device
Saturn	I-Device
later	O
that	O
year	O
.	O
</s>
<s>
Treasure	O
was	O
primarily	O
known	O
for	O
developing	O
action	B-Application
and	O
platform	O
games	O
for	O
home	O
consoles	O
before	O
Radiant	B-Application
Silvergun	I-Application
.	O
</s>
<s>
Radiant	B-Application
Silvergun	I-Application
was	O
developed	O
by	O
ten	O
people	O
,	O
with	O
Gonzo	O
outsourced	O
for	O
animated	O
cutscenes	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
for	O
the	O
ST-V	O
arcade	O
board	O
first	O
and	O
later	O
ported	O
to	O
the	O
architecturally	O
similar	O
Sega	B-Device
Saturn	I-Device
.	O
</s>
<s>
Radiant	B-Application
Silvergun	I-Application
was	O
first	O
released	O
in	O
Japanese	O
arcades	O
in	O
May	O
1998	O
.	O
</s>
<s>
The	O
Saturn	B-Device
port	O
was	O
released	O
two	O
months	O
later	O
in	O
Japan	O
.	O
</s>
<s>
Despite	O
its	O
region	O
exclusivity	O
,	O
Radiant	B-Application
Silvergun	I-Application
was	O
imported	O
by	O
Western	O
critics	O
and	O
received	O
critical	O
acclaim	O
.	O
</s>
<s>
In	O
retrospect	O
,	O
it	O
is	O
considered	O
one	O
of	O
the	O
greatest	O
shooters	O
and	O
Sega	B-Device
Saturn	I-Device
games	O
of	O
all	O
time	O
.	O
</s>
<s>
It	O
received	O
a	O
spiritual	O
sequel	O
in	O
the	O
form	O
of	O
Ikaruga	B-Application
(	O
2001	O
)	O
,	O
and	O
was	O
ported	O
worldwide	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
in	O
2011	O
,	O
and	O
to	O
the	O
Nintendo	B-Application
Switch	I-Application
in	O
2022	O
.	O
</s>
<s>
Radiant	B-Application
Silvergun	I-Application
is	O
a	O
vertically	O
scrolling	O
shoot	O
'	O
em	O
up	O
.	O
</s>
<s>
The	O
story	O
of	O
Radiant	B-Application
Silvergun	I-Application
is	O
told	O
non-linearly	O
through	O
animated	O
videos	O
and	O
scripted	O
dialogue	O
between	O
stages	O
.	O
</s>
<s>
Since	O
the	O
company	O
's	O
inception	O
,	O
Treasure	O
had	O
primarily	O
been	O
a	O
developer	O
of	O
action	B-Application
and	O
platform	O
games	O
for	O
home	O
consoles	O
.	O
</s>
<s>
He	O
claimed	O
to	O
have	O
the	O
idea	O
for	O
Radiant	B-Application
Silvergun	I-Application
long	O
before	O
it	O
was	O
released	O
,	O
not	O
pulling	O
any	O
influence	O
from	O
games	O
of	O
the	O
era	O
.	O
</s>
<s>
He	O
was	O
a	O
big	O
fan	O
of	O
Irem	O
's	O
Image	B-Application
Fight	I-Application
(	O
1988	O
)	O
,	O
and	O
believes	O
that	O
some	O
of	O
that	O
inspiration	O
is	O
reflected	O
in	O
Radiant	B-Application
Silvergun	I-Application
.	O
</s>
<s>
Development	O
on	O
Radiant	B-Application
Silvergun	I-Application
started	O
in	O
late	O
1997	O
,	O
and	O
progressed	O
smoothly	O
as	O
opposed	O
to	O
past	O
projects	O
where	O
they	O
had	O
to	O
scrap	O
ideas	O
and	O
restart	O
from	O
scratch	O
.	O
</s>
<s>
They	O
chose	O
to	O
develop	O
for	O
the	O
Sega	O
ST-V	O
arcade	O
board	O
because	O
Treasure	O
had	O
normally	O
developed	O
games	O
for	O
Sega	O
and	O
it	O
was	O
similar	O
to	O
the	O
Sega	B-Device
Saturn	I-Device
home	O
console	O
,	O
which	O
they	O
were	O
planning	O
on	O
porting	O
the	O
game	O
to	O
.	O
</s>
<s>
The	O
team	O
had	O
knowledge	O
of	O
the	O
Sega	B-Device
Saturn	I-Device
's	O
hardware	O
from	O
developing	O
previous	O
games	O
for	O
it	O
,	O
so	O
they	O
believed	O
it	O
would	O
be	O
easier	O
this	O
time	O
around	O
.	O
</s>
<s>
They	O
used	O
LightWave	B-Device
for	O
the	O
3D	O
objects	O
and	O
freeware	O
downloaded	O
from	O
the	O
internet	O
to	O
make	O
the	O
2D	O
graphics	O
.	O
</s>
<s>
Iuchi	O
did	O
not	O
include	O
power-ups	O
in	O
Radiant	B-Application
Silvergun	I-Application
because	O
he	O
felt	O
they	O
were	O
distracting	O
,	O
and	O
he	O
often	O
found	O
himself	O
dying	O
when	O
trying	O
to	O
manage	O
different	O
weapons	O
and	O
items	O
.	O
</s>
<s>
The	O
team	O
recruited	O
animation	O
studio	O
Gonzo	O
to	O
create	O
movie	O
sequences	O
with	O
deeper	O
story	O
elements	O
for	O
the	O
Saturn	B-Device
version	O
.	O
</s>
<s>
Gonzo	O
had	O
previously	O
done	O
animation	O
for	O
Treasure	O
's	O
Silhouette	B-Application
Mirage	I-Application
(	O
1997	O
)	O
and	O
Iuchi	O
was	O
happy	O
with	O
the	O
outcome	O
of	O
their	O
work	O
on	O
Radiant	B-Application
Silvergun	I-Application
.	O
</s>
<s>
Radiant	B-Application
Silvergun	I-Application
was	O
released	O
in	O
Japanese	O
arcades	O
on	O
28	O
May	O
1998	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
at	O
retail	O
for	O
the	O
Sega	B-Device
Saturn	I-Device
on	O
23	O
July	O
1998	O
,	O
and	O
sold	O
around	O
50,000	O
copies	O
.	O
</s>
<s>
The	O
Sega	B-Device
Saturn	I-Device
port	O
of	O
Radiant	B-Application
Silvergun	I-Application
received	O
critical	O
acclaim	O
,	O
with	O
some	O
calling	O
it	O
one	O
of	O
the	O
best	O
shoot	O
'	O
em	O
ups	O
ever	O
made	O
.	O
</s>
<s>
Critics	O
agreed	O
that	O
Treasure	O
successfully	O
revived	O
and	O
redefined	O
the	O
shooter	O
genre	O
following	O
a	O
period	O
of	O
stagnation	O
in	O
the	O
wake	O
of	O
the	O
advent	O
of	O
fighting	O
games	O
during	O
the	O
16-bit	B-Application
era	I-Application
.	O
</s>
<s>
Edge	O
wrote	O
the	O
game	O
was	O
"	O
arguably	O
the	O
finest	O
technical	O
showcase	O
the	O
Saturn	B-Device
has	O
ever	O
played	O
host	O
to.	O
"	O
</s>
<s>
They	O
praised	O
the	O
parallax	O
backdrops	O
,	O
Mode	O
7	O
style	O
distortion	O
effects	O
,	O
and	O
use	O
of	O
3D	B-Algorithm
polygons	I-Algorithm
to	O
create	O
imaginative	O
bosses	O
.	O
</s>
<s>
They	O
felt	O
the	O
game	O
was	O
a	O
successful	O
attempt	O
to	O
push	O
the	O
Sega	B-Device
Saturn	I-Device
's	O
graphical	O
capabilities	O
to	O
its	O
limits	O
,	O
calling	O
it	O
"	O
a	O
wonder	O
to	O
behold.	O
"	O
</s>
<s>
Sega	B-Device
Saturn	I-Device
Magazine	O
also	O
thought	O
the	O
game	O
had	O
some	O
of	O
the	O
most	O
impressive	O
Sega	B-Device
Saturn	I-Device
graphics	O
,	O
and	O
highlighted	O
the	O
great	O
mix	O
of	O
2D	O
and	O
3D	O
graphics	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
thought	O
the	O
game	O
outclassed	O
graphics	O
capable	O
on	O
the	O
PlayStation	B-Device
or	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
Critics	O
also	O
praised	O
Radiant	B-Application
Silvergun	I-Application
's	O
gameplay	O
,	O
and	O
most	O
commonly	O
highlighted	O
its	O
replayability	O
thanks	O
to	O
the	O
depth	O
of	O
its	O
scoring	O
system	O
and	O
hidden	O
bonuses	O
.	O
</s>
<s>
Sega	B-Device
Saturn	I-Device
Magazine	O
argued	O
that	O
there	O
are	O
role-playing	O
games	O
with	O
less	O
depth	O
than	O
Radiant	B-Application
Silvergun	I-Application
.	O
</s>
<s>
Both	O
Edge	O
and	O
Sega	B-Device
Saturn	I-Device
Magazine	O
shared	O
positive	O
thoughts	O
on	O
the	O
game	O
's	O
weapon	O
systems	O
,	O
and	O
also	O
agreed	O
that	O
it	O
was	O
satisfyingly	O
difficult	O
,	O
although	O
Edge	O
complained	O
that	O
sometimes	O
it	O
sacrificed	O
fairness	O
for	O
visual	O
flair	O
.	O
</s>
<s>
Never	O
has	O
a	O
shooter	O
combined	O
relentless	O
,	O
thoughtfully-designed	O
action	B-Application
with	O
such	O
stunning	O
graphics	O
and	O
sound	O
...	O
Radiant	B-Application
Silvergun	I-Application
makes	O
you	O
feel	O
as	O
if	O
you	O
've	O
never	O
really	O
played	O
a	O
shooter	O
before	O
.	O
</s>
<s>
In	O
retrospective	O
reviews	O
,	O
Radiant	B-Application
Silvergun	I-Application
is	O
considered	O
one	O
of	O
the	O
greatest	O
shooters	O
of	O
all	O
time	O
,	O
and	O
one	O
of	O
the	O
best	O
Sega	B-Device
Saturn	I-Device
games	O
.	O
</s>
<s>
IGN	O
called	O
Radiant	B-Application
Silvergun	I-Application
a	O
"	O
milestone	O
in	O
shooter	O
design	O
"	O
and	O
in	O
2008	O
listed	O
it	O
as	O
their	O
number	O
one	O
classic	O
shoot	O
'	O
em	O
up	O
.	O
</s>
<s>
In	O
2005	O
,	O
IGN	O
also	O
compiled	O
all	O
their	O
reader	O
's	O
review	O
ratings	O
of	O
the	O
31,000	O
games	O
in	O
their	O
database	O
,	O
among	O
which	O
Radiant	B-Application
Silvergun	I-Application
reached	O
the	O
twelfth	O
spot	O
.	O
</s>
<s>
The	O
game	O
received	O
a	O
spiritual	O
successor	O
in	O
the	O
form	O
of	O
Ikaruga	B-Application
(	O
2001	O
)	O
,	O
which	O
was	O
originally	O
subtitled	O
Radiant	B-Application
Silvergun	I-Application
2	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
on	O
the	O
Sega	O
NAOMI	O
arcade	O
platform	O
until	O
later	O
being	O
ported	O
to	O
the	B-Operating_System
Dreamcast	I-Operating_System
and	O
GameCube	B-Application
.	O
</s>
<s>
Like	O
its	O
predecessor	O
,	O
Ikaruga	B-Application
gained	O
a	O
reputation	O
as	O
one	O
of	O
the	O
greatest	O
shooters	O
ever	O
made	O
.	O
</s>
<s>
It	O
was	O
rereleased	O
in	O
2008	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Following	O
Ikaruga	B-Application
's	O
rerelease	O
,	O
fans	O
began	O
asking	O
Treasure	O
why	O
Radiant	B-Application
Silvergun	I-Application
had	O
not	O
been	O
rereleased	O
as	O
well	O
,	O
so	O
Treasure	O
began	O
work	O
on	O
a	O
port	O
.	O
</s>
<s>
Sanjo	O
stated	O
that	O
bringing	O
Radiant	B-Application
Silvergun	I-Application
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
was	O
more	O
difficult	O
than	O
anticipated	O
.	O
</s>
<s>
He	O
had	O
difficulties	O
recreating	O
some	O
of	O
the	O
backgrounds	O
and	O
the	O
Saturn	B-Device
's	O
special	O
effects	O
.	O
</s>
<s>
In	O
October	O
2010	O
,	O
Microsoft	O
announced	O
the	O
game	O
was	O
coming	O
to	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
in	O
2011	O
,	O
marking	O
the	O
game	O
's	O
first	O
official	O
release	O
in	O
the	O
West	O
.	O
</s>
<s>
There	O
is	O
also	O
an	O
option	O
for	O
a	O
scoring	O
system	O
based	O
on	O
Ikaruga	B-Application
.	O
</s>
<s>
They	O
also	O
appreciated	O
the	O
rerelease	O
for	O
giving	O
more	O
people	O
the	O
opportunity	O
to	O
play	O
it	O
given	O
the	O
Saturn	B-Device
version	O
's	O
expensive	O
cost	O
on	O
second	O
hand	O
markets	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
was	O
ported	O
and	O
released	O
to	O
the	O
Nintendo	B-Application
Switch	I-Application
in	O
September	O
2022	O
.	O
</s>
