<s>
Duke	B-Application
Nukem	I-Application
:	I-Application
Zero	I-Application
Hour	I-Application
is	O
a	O
third-person	O
shooter	O
video	O
game	O
in	O
the	O
Duke	B-Application
Nukem	I-Application
series	O
,	O
developed	O
by	O
Eurocom	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
Compared	O
to	O
the	O
comically	O
over-the-top	O
thematic	O
tone	O
used	O
throughout	O
most	O
of	O
the	O
series	O
,	O
this	O
game	O
noticeably	O
features	O
much	O
more	O
mature	O
plot	O
elements	O
,	O
such	O
as	O
an	O
encounter	O
with	O
Jack	B-Application
the	I-Application
Ripper	I-Application
near	O
the	O
still-fresh	O
murder	O
scene	O
of	O
Mary	O
Jane	O
Kelly	O
in	O
Victorian	O
England	O
and	O
a	O
rather	O
serious	O
depiction	O
of	O
a	O
future	O
New	O
York	O
devastated	O
by	O
atomic	O
warfare	O
.	O
</s>
<s>
Zero	O
Hour	O
received	O
"	O
average	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
GameRankings	O
.	O
</s>
<s>
Nintendo	B-Application
Power	I-Application
gave	O
it	O
a	O
favorable	O
review	O
over	O
a	O
month	O
before	O
the	O
game	O
was	O
released	O
Stateside	O
.	O
</s>
