<s>
,	O
commonly	O
abbreviated	O
as	O
IaMP	B-Application
in	O
English	O
speaking	O
circles	O
,	O
is	O
a	O
versus	O
fighting	O
game	O
collaboratively	O
developed	O
by	O
Twilight	O
Frontier	O
and	O
Team	O
Shanghai	O
Alice	O
released	O
in	O
2004	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
spinoff	O
in	O
the	O
Touhou	B-Application
series	I-Application
,	O
and	O
it	O
is	O
numbered	O
as	O
the	O
7.5th	O
installment	O
as	O
the	O
game	O
's	O
events	O
place	O
between	O
Perfect	B-Application
Cherry	I-Application
Blossom	I-Application
(	O
seventh	O
)	O
and	O
Imperishable	B-Application
Night	I-Application
(	O
eighth	O
)	O
,	O
although	O
it	O
was	O
released	O
after	O
Imperishable	B-Application
Night	I-Application
.	O
</s>
<s>
After	O
the	O
success	O
of	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
the	O
game	O
was	O
followed	O
up	O
with	O
Scarlet	B-Application
Weather	I-Application
Rhapsody	I-Application
in	O
2008	O
,	O
the	O
first	O
of	O
several	O
Touhou	B-Application
fighting	O
game	O
sequels	O
.	O
</s>
<s>
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
is	O
a	O
two-dimensional	O
fighting	O
game	O
in	O
which	O
players	O
can	O
select	O
one	O
of	O
several	O
Touhou	B-Application
characters	O
to	O
fight	O
either	O
against	O
an	O
AI	O
,	O
or	O
other	O
human	O
players	O
.	O
</s>
<s>
Because	O
of	O
Touhou	B-Application
's	O
origins	O
as	O
a	O
bullet	O
hell	O
game	O
,	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
's	O
special	O
moves	O
have	O
a	O
focus	O
on	O
large	O
amounts	O
of	O
projectiles	O
.	O
</s>
<s>
To	O
help	O
counter	O
the	O
large	O
number	O
of	O
enemy	O
projectiles	O
,	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
allows	O
the	O
player	O
to	O
'	O
graze	O
 '	O
enemy	O
projectiles	O
,	O
which	O
gets	O
its	O
namesake	O
from	O
the	O
prior	O
Touhou	B-Application
games	I-Application
.	O
</s>
<s>
While	O
in	O
the	O
bullet	O
hell	O
Touhou	B-Application
games	I-Application
,	O
grazing	O
refers	O
to	O
having	O
enemy	O
projectiles	O
collide	O
with	O
the	O
player	O
's	O
sprite	O
,	O
but	O
not	O
their	O
hitbox	O
(	O
which	O
is	O
several	O
times	O
smaller	O
)	O
,	O
in	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
the	O
player	O
can	O
use	O
an	O
energy	O
meter	O
to	O
completely	O
circumvent	O
enemy	O
projectiles	O
,	O
though	O
not	O
all	O
projectiles	O
can	O
be	O
grazed	O
.	O
</s>
<s>
Spell	O
Cards	O
,	O
a	O
central	O
aspect	O
of	O
Touhou	B-Application
since	O
Embodiment	B-Application
of	I-Application
Scarlet	I-Application
Devil	I-Application
,	O
appear	O
in	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
as	O
special	O
moves	O
that	O
have	O
to	O
be	O
announced	O
before	O
they	O
can	O
be	O
used	O
.	O
</s>
<s>
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
contains	O
a	O
story	O
mode	O
,	O
an	O
arcade	O
mode	O
in	O
which	O
the	O
player	O
has	O
to	O
fight	O
the	O
entire	O
cast	O
while	O
given	O
only	O
one	O
life	O
,	O
a	O
versus	O
mode	O
,	O
and	O
a	O
practice	O
mode	O
.	O
</s>
<s>
Eleven	O
characters	O
are	O
available	O
in	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
including	O
Suika	O
Ibuki	O
,	O
who	O
had	O
her	O
debut	O
in	O
this	O
game	O
.	O
</s>
<s>
Reimu	O
Hakurei	O
( 博麗	O
霊夢	O
)	O
:	O
The	O
miko	O
of	O
the	O
Hakurei	B-Application
Shrine	I-Application
and	O
perennial	O
protagonist	O
of	O
the	O
Touhou	B-Application
Project	I-Application
.	O
</s>
<s>
Marisa	O
Kirisame	O
( 霧雨	O
魔理沙	O
)	O
:	O
An	O
ordinary	O
human	O
magician	O
,	O
and	O
playable	O
character	O
in	O
each	O
main	O
Touhou	B-Application
game	O
since	O
Phantasmagoria	O
of	O
Dim	O
.	O
</s>
<s>
Sakuya	O
Izayoi	O
( 十六夜	O
咲夜	O
)	O
:	O
The	O
maid	O
of	O
the	O
Scarlet	O
Devil	O
Mansion	O
introduced	O
in	O
The	B-Application
Embodiment	I-Application
of	I-Application
Scarlet	I-Application
Devil	I-Application
.	O
</s>
<s>
She	O
attacks	O
using	O
puppets	B-Application
that	O
she	O
creates	O
.	O
</s>
<s>
Patchouli	O
Knowledge	O
(パチュリー・ノ	O
ーレッジ	O
)	O
:	O
A	O
witch	B-Device
from	O
the	O
Scarlet	O
Devil	O
Mansion	O
who	O
does	O
not	O
usually	O
go	O
out	O
of	O
her	O
library	O
.	O
</s>
<s>
Remilia	O
Scarlet	O
( レミリア・スカーレット	O
)	O
:	O
A	O
vampire	B-Application
,	O
and	O
mistress	O
of	O
the	O
Scarlet	O
Devil	O
Mansion	O
,	O
who	O
is	O
thought	O
to	O
be	O
one	O
of	O
the	O
prime	O
suspects	O
in	O
creating	O
the	O
strange	O
mist	O
,	O
because	O
she	O
did	O
it	O
once	O
before	O
in	O
The	B-Application
Embodiment	I-Application
of	I-Application
Scarlet	I-Application
Devil	I-Application
.	O
</s>
<s>
She	O
is	O
also	O
believed	O
to	O
be	O
a	O
suspect	O
,	O
as	O
she	O
orchestrated	O
the	O
incident	O
in	O
Perfect	B-Application
Cherry	I-Application
Blossom	I-Application
.	O
</s>
<s>
Yukari	O
Yakumo	O
( 八雲	O
紫	O
)	O
:	O
A	O
wandering	O
yōkai	O
,	O
who	O
controls	O
the	O
Hakurei	B-Application
Border	I-Application
.	O
</s>
<s>
Suika	O
Ibuki	O
( 伊吹	O
萃香	O
)	O
:	O
Introduced	O
in	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
she	O
is	O
an	O
oni	O
who	O
loves	O
drinks	O
,	O
feasts	O
,	O
and	O
competition	O
,	O
like	O
the	O
rest	O
of	O
her	O
race	O
.	O
</s>
<s>
In	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
she	O
made	O
the	O
residents	O
of	O
Gensokyo	O
have	O
continuous	O
feasts	O
,	O
intending	O
to	O
draw	O
the	O
joyous	O
oni	O
from	O
hiding	O
.	O
</s>
<s>
Unabara	O
Iruka	O
( 海原海豚	O
)	O
of	O
the	O
Twilight	O
Frontier	O
team	O
had	O
wanted	O
to	O
make	O
a	O
fighting	O
game	O
with	O
aerial	O
battles	O
similar	O
to	O
Cyberbots	B-Application
:	I-Application
Full	I-Application
Metal	I-Application
Madness	I-Application
(	O
1995	O
)	O
and	O
Astra	B-Application
Superstars	I-Application
(	O
1998	O
)	O
,	O
but	O
felt	O
that	O
creating	O
a	O
whole	O
set	O
of	O
characters	O
and	O
the	O
setting	O
just	O
for	O
the	O
game	O
would	O
be	O
overwhelming	O
.	O
</s>
<s>
Unabara	O
felt	O
that	O
such	O
a	O
game	O
would	O
not	O
feel	O
out	O
of	O
place	O
in	O
the	O
setting	O
of	O
Touhou	B-Application
,	O
and	O
so	O
he	O
sought	O
out	O
ZUN	O
,	O
the	O
founder	O
of	O
the	O
series	O
,	O
to	O
collaborate	O
on	O
a	O
Touhou	B-Application
fighting	O
game	O
.	O
</s>
<s>
Unlike	O
the	O
main	O
Touhou	B-Application
games	I-Application
,	O
which	O
were	O
written	O
developed	O
entirely	O
by	O
ZUN	O
,	O
the	O
dialogue	O
,	O
character	O
sprites	O
,	O
and	O
ending	O
artwork	O
in	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
are	O
drawn	O
by	O
alphes	O
,	O
an	O
artist	O
at	O
Twilight	O
Frontier	O
.	O
</s>
<s>
On	O
April	O
2	O
2004	O
,	O
Twilight	O
Frontier	O
announced	O
the	O
production	O
of	O
Immaterial	B-Application
and	I-Application
Missing	I-Application
Power	I-Application
,	O
with	O
Team	O
Shanghai	O
Alice	O
.	O
</s>
<s>
A	O
significant	O
portion	O
of	O
the	O
soundtrack	O
were	O
remixes	O
of	O
existing	O
Touhou	B-Application
songs	O
.	O
</s>
