<s>
Terror	B-Application
of	I-Application
the	I-Application
Stratus	I-Application
,	O
known	O
in	O
Japan	O
as	O
is	O
an	O
action	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Nude	O
Maker	O
and	O
published	O
by	O
Konami	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
In	O
"	O
extermination	O
mode	O
"	O
,	O
the	O
game	O
plays	O
much	O
like	O
a	O
3D	B-Algorithm
third-person	O
shooter	O
,	O
while	O
in	O
"	O
defense	O
mode	O
"	O
,	O
the	O
game	O
plays	O
like	O
a	O
2D	O
sidescroller	O
.	O
</s>
<s>
It	O
was	O
announced	O
to	O
be	O
made	O
by	O
developer	O
Nude	O
Maker	O
,	O
who	O
had	O
previously	O
developed	O
Infinite	B-Application
Space	I-Application
with	O
PlatinumGames	O
,	O
and	O
Steel	B-Application
Battalion	I-Application
prior	O
to	O
that	O
.	O
</s>
<s>
On	O
October	O
20	O
,	O
2011	O
,	O
a	O
demo	O
of	O
the	O
game	O
was	O
released	O
on	O
the	O
Japanese	O
PlayStation	B-Device
Network	I-Device
,	O
allowing	O
the	O
first	O
chapter	O
of	O
the	O
game	O
to	O
be	O
played	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
digitally	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
,	O
and	O
physically	O
at	O
retail	O
.	O
</s>
