<s>
Sea	B-Application
Battle	I-Application
is	O
a	O
multiplayer	O
strategy	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
1980	B-Application
.	O
</s>
<s>
In	O
Sea	B-Application
Battle	I-Application
,	O
players	O
must	O
successfully	O
invade	O
the	O
home	O
port	O
of	O
their	O
opponent	O
while	O
protecting	O
their	O
own	O
ports	O
from	O
invasion	O
.	O
</s>
<s>
When	O
two	O
fleets	O
engage	O
,	O
Sea	B-Application
Battle	I-Application
enters	O
the	O
"	O
combat	O
phase.	O
"	O
</s>
<s>
Battleships	B-Application
and	O
destroyers	B-Application
are	O
well-rounded	O
escort	O
vessels	O
,	O
while	O
submarines	O
and	O
PT	O
boats	O
trade	O
armor	O
strength	O
for	O
speed	O
and	O
attack	O
power	O
.	O
</s>
<s>
Mattel	O
's	O
"	O
M	O
Network	O
"	O
brand	O
developed	O
a	O
port	O
of	O
the	O
game	O
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
console	O
,	O
but	O
it	O
was	O
never	O
released	O
for	O
sale	O
.	O
</s>
<s>
In	O
the	O
early	O
21st	O
century	O
,	O
it	O
was	O
also	O
released	O
as	O
part	O
of	O
the	O
Intellivision	B-Application
Lives	I-Application
!	I-Application
</s>
<s>
compilation	O
game	O
for	O
computers	O
and	O
other	O
video	O
game	O
consoles	O
,	O
like	O
the	O
PlayStation	B-Device
2	I-Device
and	O
Nintendo	B-Application
GameCube	I-Application
.	O
</s>
<s>
It	O
was	O
also	O
released	O
on	O
Microsoft	O
's	O
Game	B-Device
Room	I-Device
service	O
for	O
its	O
Xbox	B-Operating_System
360	I-Operating_System
console	O
and	O
for	O
Windows-based	B-Application
PCs	B-Device
.	O
</s>
