<s>
Back	B-Application
Track	I-Application
is	O
a	O
first-person	O
shooter	O
that	O
was	O
released	O
for	O
Windows	B-Application
PC	I-Application
in	O
1998	O
and	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
in	O
2001	O
.	O
</s>
<s>
It	O
is	O
notable	O
for	O
being	O
the	O
first	O
3D	O
shooter	O
to	O
be	O
released	O
on	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
(	O
along	O
with	O
Doom	B-Application
)	O
.	O
</s>
<s>
Both	O
modes	O
support	O
up	O
to	O
four	O
players	O
via	O
a	O
link	B-Device
cable	I-Device
.	O
</s>
