<s>
Bangai-O	B-Application
Spirits	I-Application
is	O
an	O
action	B-Application
game	I-Application
for	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
and	O
the	O
sequel	O
to	O
Bangai-O	B-Application
which	O
was	O
released	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
and	O
Dreamcast	B-Operating_System
.	O
</s>
<s>
Bangai-O	B-Application
Spirits	I-Application
is	O
a	O
side-scrolling	O
shooting	O
game	O
with	O
free-scrolling	O
levels	O
that	O
extend	O
horizontally	O
and	O
vertically	O
.	O
</s>
<s>
This	O
technology	O
was	O
inspired	O
by	O
the	O
datacasettes	O
used	O
by	O
some	O
older	O
computers	O
,	O
including	O
the	O
Sharp	B-Device
X1	I-Device
on	O
which	O
Matsumoto	O
learned	O
to	O
program	O
.	O
</s>
<s>
Bangai-O	B-Application
Spirits	I-Application
has	O
very	O
little	O
story	O
line	O
,	O
and	O
is	O
not	O
part	O
of	O
the	O
same	O
continuity	O
as	O
the	O
previous	O
game	O
.	O
</s>
<s>
In	O
a	O
rare	O
breach	O
of	O
the	O
company	O
's	O
usual	O
secrecy	O
about	O
future	O
plans	O
,	O
developer	O
Yoshiyuki	O
Matsumoto	O
first	O
hinted	O
at	O
a	O
sequel	O
to	O
Bangai-O	B-Application
in	O
a	O
2003	O
interview	O
on	O
Sega	O
's	O
website	O
to	O
promote	O
the	O
game	O
Astro	B-Application
Boy	I-Application
:	I-Application
Omega	I-Application
Factor	I-Application
.	O
</s>
<s>
When	O
asked	O
what	O
game	O
he	O
would	O
like	O
to	O
create	O
next	O
,	O
he	O
said	O
he	O
would	O
like	O
to	O
"	O
carry	O
out	O
Bakuretsu	B-Application
Muteki	I-Application
Bangai-O	I-Application
'	O
s	O
revenge	O
"	O
.	O
</s>
<s>
Full	O
production	O
followed	O
the	O
completion	O
of	O
their	O
previous	O
handheld	O
release	O
,	O
Bleach	B-Device
:	I-Device
Dark	I-Device
Souls	I-Device
.	O
</s>
<s>
When	O
publisher	O
ESP	O
approached	O
them	O
about	O
a	O
possible	O
collaboration	O
,	O
Bangai-O	B-Application
seemed	O
like	O
a	O
logical	O
fit	O
.	O
</s>
<s>
Treasure	O
previously	O
did	O
this	O
with	O
the	O
North	O
American	O
version	O
of	O
Astro	B-Application
Boy	I-Application
:	I-Application
Omega	I-Application
Factor	I-Application
,	O
which	O
featured	O
new	O
enemies	O
,	O
difficulty	O
modes	O
,	O
and	O
refined	O
level	O
layouts	O
,	O
and	O
is	O
generally	O
considered	O
a	O
stronger	O
product	O
than	O
the	O
original	O
Japanese	O
version	O
.	O
</s>
<s>
It	O
was	O
a	O
nominee	O
for	O
Best	O
Shooting	O
Game	O
and	O
Best	O
Use	O
of	O
Sound	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
by	O
IGN	O
in	O
their	O
2008	O
video	O
game	O
awards	O
.	O
</s>
<s>
Tim	O
Rogers	O
,	O
a	O
new	O
games	O
journalist	O
writing	O
for	O
Kotaku.com,	O
ranked	O
Bangai-O	B-Application
Spirits	I-Application
at	O
#1	O
in	O
his	O
2018	O
retrospective	O
on	O
the	O
best	O
games	O
released	O
in	O
2008	O
calling	O
it	O
:	O
"	O
A	O
game	O
God	O
would	O
play	O
"	O
.	O
</s>
