<s>
Jane	O
's	O
688(i )	O
Hunter/Killer	O
is	O
a	O
1997	B-Application
submarine	O
simulator	O
video	O
game	O
,	O
developed	O
by	O
Sonalysts	O
Inc	O
.	O
and	O
published	O
by	O
Electronic	O
Arts	O
and	O
more	O
recently	O
by	O
Strategy	O
First	O
for	O
Windows	B-Application
95	I-Application
compatible	O
operating	O
systems	O
.	O
</s>
<s>
It	O
is	O
named	O
after	O
the	O
688	O
(	O
Improved	O
)	O
of	O
United	O
States	O
(	O
SSN	O
)	O
submarine	O
,	O
and	O
was	O
a	O
successor	O
to	O
the	O
earlier	O
game	O
688	B-Application
Attack	I-Application
Sub	I-Application
.	O
</s>
<s>
It	O
was	O
released	O
on	O
Valve	O
's	O
Steam	B-Application
content	I-Application
delivery	I-Application
service	O
as	O
well	O
as	O
DotEmu	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
using	O
custom	O
software	O
tools	O
,	O
with	O
the	O
exception	O
of	O
the	O
ship	O
models	O
,	O
which	O
were	O
done	O
using	O
PowerAnimator	B-Device
.	O
</s>
