<s>
Line	B-Application
of	I-Application
Sight	I-Application
:	I-Application
Vietnam	I-Application
is	O
a	O
squad-based	O
First-person	O
shooter	O
(	O
FPS	O
)	O
video	O
game	O
set	O
in	O
the	O
Vietnam	O
war	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
by	O
American	O
studio	O
NFusion	O
and	O
published	O
by	O
Infogrames	O
and	O
Atari	O
in	O
2003	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
game	O
follows	O
Private	O
Chris	O
Egan	O
,	O
a	O
sniper	B-Protocol
in	O
the	O
US	O
Army	O
's	O
5th	O
Special	O
Forces	O
based	O
in	O
Nha	O
Trang	O
,	O
Vietnam	O
,	O
during	O
the	O
Vietnam	O
War	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
average	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
