<s>
Silent	B-Application
Hunter	I-Application
4	I-Application
:	I-Application
Wolves	I-Application
of	I-Application
the	I-Application
Pacific	I-Application
(	O
known	O
in	O
the	O
United	O
States	O
as	O
Silent	O
Hunter	O
:	O
Wolves	O
of	O
the	O
Pacific	O
)	O
is	O
a	O
computer	O
submarine	O
simulation	O
for	O
Windows	B-Application
developed	O
by	O
Ubisoft	O
Bucharest	O
and	O
published	O
by	O
Ubisoft	O
in	O
2007	O
.	O
</s>
<s>
The	O
game	O
allows	O
the	O
player	O
to	O
choose	O
how	O
realistic	O
and	O
challenging	O
the	O
game	O
experience	O
is	O
to	O
be	O
and	O
it	O
is	O
designed	O
to	O
allow	O
new	O
players	O
to	O
easily	O
master	O
the	O
basic	O
game	O
play	O
,	O
while	O
allowing	O
for	O
experienced	O
users	O
to	O
manually	O
control	O
systems	O
such	O
as	O
crew	O
management	O
,	O
torpedo	O
allocation	O
,	O
radar	B-Application
,	O
sonar	B-Application
and	O
target	O
trigonometry	O
.	O
</s>
<s>
Like	O
its	O
predecessor	O
Silent	B-Application
Hunter	I-Application
3	I-Application
,	O
the	O
simulation	O
features	O
a	O
dynamic	O
campaign	O
.	O
</s>
<s>
Until	O
Ubisoft	O
shut	O
down	O
the	O
servers	O
for	O
the	O
game	O
in	O
2013	O
,	O
Silent	B-Application
Hunter	I-Application
4	I-Application
featured	O
an	O
online	O
adversarial	O
mode	O
and	O
gave	O
players	O
the	O
opportunity	O
to	O
command	O
Japanese	O
destroyers	O
and	O
pit	O
them	O
against	O
US	O
submarines	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
Due	O
to	O
concerns	O
relating	O
to	O
the	O
Stolen	O
Valor	O
Act	O
of	O
2005	O
,	O
as	O
well	O
as	O
U.S.	O
federal	O
laws	O
regarding	O
depictions	O
of	O
the	O
Medal	B-Application
of	I-Application
Honor	I-Application
at	O
the	O
time	O
,	O
the	O
original	O
release	O
of	O
the	O
game	O
awarded	O
players	O
with	O
fictional	O
decorations	O
which	O
in	O
no	O
way	O
resembled	O
actual	O
United	O
States	O
military	O
awards	O
.	O
</s>
<s>
The	O
original	O
"	O
shelf	O
version	O
"	O
of	O
the	O
game	O
was	O
never	O
updated	O
;	O
all	O
game	O
versions	O
,	O
including	O
those	O
downloadable	O
on	O
Steam	B-Application
,	O
continue	O
to	O
depict	O
fictional	O
awards	O
in	O
lieu	O
of	O
actual	O
United	O
States	O
combat	O
decorations	O
.	O
</s>
<s>
On	O
October	O
31	O
,	O
2007	O
Ubisoft	O
announced	O
The	O
U-Boat	O
Missions	O
add-on	O
to	O
Silent	B-Application
Hunter	I-Application
4	I-Application
.	O
</s>
<s>
Silent	B-Application
Hunter	I-Application
4	I-Application
:	I-Application
Wolves	I-Application
of	I-Application
the	I-Application
Pacific	I-Application
Gold	O
(	O
Silent	O
Hunter	O
:	O
Wolves	O
of	O
the	O
Pacific	O
Gold	O
Edition	O
in	O
North	O
America	O
)	O
was	O
released	O
on	O
October	O
11	O
,	O
2008	O
.	O
</s>
