<s>
Shinobido	B-Application
:	I-Application
Way	I-Application
of	I-Application
the	I-Application
Ninja	I-Application
is	O
a	O
stealth	O
video	O
game	O
developed	O
by	O
Acquire	O
and	O
released	O
for	O
the	O
PlayStation	B-Device
2	I-Device
in	O
2005	O
.	O
</s>
<s>
The	O
letter	O
states	O
that	O
the	O
person	O
who	O
wrote	O
it	O
is	O
simply	O
a	O
"	O
concerned	O
bystander	O
,	O
"	O
and	O
further	O
identifies	O
the	O
amnesiac	O
man	O
as	O
"	O
Goh	O
,	O
"	O
a	O
ninja	O
of	O
the	O
Asuka	B-Application
clan	I-Application
,	O
which	O
was	O
wiped	O
out	O
the	O
previous	O
day	O
.	O
</s>
<s>
Goh	O
will	O
encounter	O
heavily-armoured	O
rival	O
ninja	O
,	O
skilled	O
yojimbo	O
,	O
ronin	B-Device
warriors	O
,	O
and	O
large	O
groups	O
of	O
an	O
opposing	O
lord	O
's	O
regular	O
guardsmen	O
,	O
who	O
will	O
often	O
call	O
for	O
reinforcements	O
or	O
sound	O
the	O
alert	O
if	O
they	O
become	O
aware	O
of	O
Goh	O
's	O
presence	O
.	O
</s>
<s>
Just	O
as	O
the	O
Tenchu	B-Application
series	O
did	O
before	O
it	O
,	O
Shinobido	O
uses	O
a	O
type	O
of	O
"	O
Ki	O
Meter	O
"	O
.	O
</s>
<s>
However	O
,	O
where	O
Tenchu	B-Application
uses	O
a	O
number-based	O
system	O
to	O
judge	O
the	O
distance	O
and	O
awareness	O
of	O
an	O
opponent	O
,	O
Shinobido	O
uses	O
a	O
colour-based	O
system	O
to	O
judge	O
the	O
enemy	O
's	O
status	O
.	O
</s>
<s>
One	O
lord	O
will	O
write	O
haikus	B-Language
,	O
another	O
will	O
conduct	O
prayer	O
ceremonies	O
,	O
etc	O
.	O
</s>
<s>
After	O
the	O
Tenchu	B-Application
series	O
was	O
lost	O
to	O
rival	O
Japanese	O
developer	O
From	O
Software	O
,	O
Acquire	O
began	O
development	O
on	O
a	O
new	O
series	O
with	O
similar	O
style	O
and	O
gameplay	O
values	O
in	O
an	O
effort	O
to	O
retain	O
its	O
stealth/ninja	O
genre	O
fan	O
base	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Another	O
title	O
in	O
the	O
series	O
,	O
Shinobido	B-Application
:	I-Application
Tales	I-Application
of	I-Application
the	I-Application
Ninja	I-Application
,	O
is	O
available	O
on	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
A	O
sequel	O
to	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
game	O
,	O
titled	O
Shinobido	B-Application
2	I-Application
:	I-Application
Revenge	I-Application
of	I-Application
Zen	I-Application
,	O
was	O
released	O
for	O
the	O
PlayStation	B-Device
Vita	I-Device
.	O
</s>
