<s>
Sub	B-Application
Hunt	I-Application
is	O
a	O
submarine	O
simulator	O
video	O
game	O
released	O
by	O
Mattel	O
for	O
its	O
Intellivision	B-Operating_System
video	O
game	O
system	O
in	O
1982	O
.	O
</s>
<s>
In	O
Sub	B-Application
Hunt	I-Application
,	O
the	O
player	O
commands	O
a	O
fleet	O
of	O
four	O
submarines	O
.	O
</s>
<s>
Here	O
,	O
the	O
player	O
is	O
presented	O
with	O
a	O
simulated	O
periscope	B-Language
view	O
and	O
a	O
sonar	B-Application
map	O
of	O
the	O
immediate	O
area	O
.	O
</s>
<s>
The	O
convoy	O
is	O
defended	O
by	O
a	O
destroyer	B-Application
(	O
two	O
destroyers	B-Application
in	O
higher	O
difficulty	O
levels	O
)	O
equipped	O
with	O
surface	O
cannons	O
and	O
depth	B-Device
charges	I-Device
that	O
will	O
seek	O
out	O
the	O
player	O
's	O
submarine	O
if	O
it	O
is	O
detected	O
.	O
</s>
<s>
The	O
player	O
's	O
submarines	O
are	O
armed	O
with	O
a	O
pair	O
of	O
torpedo	O
tubes	O
and	O
an	O
unlimited	O
supply	O
of	O
torpedoes	O
,	O
and	O
the	O
player	O
may	O
turn	O
off	O
the	O
submarine	O
's	O
sonar	B-Application
and	O
engines	O
in	O
order	O
to	O
run	O
silent	O
and	O
avoid	O
detection	O
.	O
</s>
<s>
If	O
enough	O
convoys	O
reach	O
the	O
staging	O
harbor	O
,	O
the	O
enemy	O
's	O
invasion	O
fleet	O
,	O
made	O
up	O
of	O
three	O
destroyers	B-Application
and	O
three	O
troop	O
transports	O
,	O
will	O
be	O
launched	O
toward	O
the	O
player	O
's	O
home	O
.	O
</s>
<s>
Sub	B-Application
Hunt	I-Application
was	O
re-released	O
as	O
part	O
of	O
the	O
Intellivision	B-Application
Lives	I-Application
!	I-Application
</s>
<s>
collection	O
for	O
computers	O
and	O
other	O
video	O
game	O
consoles	O
,	O
including	O
the	O
PlayStation	B-Device
2	I-Device
and	O
Nintendo	B-Application
GameCube	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
also	O
released	O
on	O
Microsoft	O
's	O
Game	B-Device
Room	I-Device
service	O
.	O
</s>
