<s>
Zeno	B-Application
Clash	I-Application
is	O
a	O
first-person	O
fighting	O
video	O
game	O
with	O
elements	O
of	O
a	O
first-person	O
shooter	O
.	O
</s>
<s>
It	O
is	O
the	O
debut	O
game	O
of	O
developer	O
ACE	O
Team	O
and	O
uses	O
the	O
Source	B-Application
engine	I-Application
.	O
</s>
<s>
It	O
was	O
released	O
for	O
download	O
through	O
content	O
delivery	O
service	O
Steam	B-Application
on	O
21	O
April	O
2009	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
,	O
entitled	O
Zeno	B-Application
Clash	I-Application
:	I-Application
Ultimate	I-Application
Edition	I-Application
,	O
was	O
released	O
5	O
May	O
2010	O
and	O
contains	O
additional	O
features	O
not	O
found	O
in	O
the	O
PC	O
version	O
.	O
</s>
<s>
The	O
results	O
are	O
ranked	O
through	O
Steam	B-Application
every	O
time	O
the	O
player	O
beats	O
a	O
tower	O
floor	O
's	O
final	O
boss	O
.	O
</s>
<s>
While	O
Zeno	B-Application
Clash	I-Application
was	O
ACE	O
Team	O
's	O
first	O
original	O
game	O
,	O
they	O
have	O
been	O
developing	O
game	O
modifications	O
since	O
the	O
1990s	O
.	O
</s>
<s>
Their	O
last	O
project	O
,	O
Zenozoik	O
,	O
was	O
far	O
larger	O
in	O
scope	O
than	O
Zeno	B-Application
Clash	I-Application
,	O
and	O
attempted	O
to	O
incorporate	O
the	O
disparate	O
elements	O
of	O
shooting	O
,	O
role-playing	O
,	O
melee	O
combat	O
and	O
sandbox	O
gameplay	O
.	O
</s>
<s>
Zeno	B-Application
Clash	I-Application
is	O
what	O
emergedplayer	O
exploration	O
is	O
linear	O
,	O
and	O
role-playing	O
elements	O
were	O
excluded	O
altogether	O
.	O
</s>
<s>
The	O
game	O
was	O
initially	O
conceived	O
as	O
a	O
total	O
conversion	O
modification	O
using	O
the	O
Source	B-Application
engine	I-Application
.	O
</s>
<s>
They	O
also	O
likened	O
it	O
to	O
"	O
Dark	B-Application
Messiah	I-Application
meets	O
Double	B-Application
Dragon	I-Application
"	O
,	O
and	O
stated	O
that	O
they	O
have	O
drawn	O
a	O
lot	O
of	O
inspiration	O
from	O
traditional	O
fighting	O
gamesthis	O
includes	O
"	O
versus	O
screens	O
"	O
sliding	O
in	O
before	O
combat	O
is	O
initiated	O
.	O
</s>
<s>
To	O
get	O
their	O
desired	O
organic	O
look	O
,	O
they	O
used	O
static	O
props	O
exported	O
from	O
3D	B-Language
Studio	I-Language
Max	I-Language
with	O
pre-rendered	O
lighting	O
instead	O
of	O
using	O
brush-based	O
geometry	O
that	O
Source	B-Application
was	O
specialized	O
for	O
.	O
</s>
<s>
On	O
October	O
2009	O
,	O
ACE	O
Team	O
announced	O
that	O
they	O
partnered	O
with	O
Atlus	O
to	O
release	O
a	O
port	O
of	O
the	O
game	O
for	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
.	O
</s>
<s>
This	O
version	O
of	O
the	O
game	O
dubbed	O
Zeno	B-Application
Clash	I-Application
:	I-Application
Ultimate	I-Application
Edition	I-Application
adds	O
new	O
game	O
modes	O
and	O
features	O
such	O
as	O
cooperative	O
gameplay	O
for	O
tower	O
challenges	O
in	O
both	O
offline	O
and	O
online	O
games	O
,	O
new	O
attacks	O
,	O
new	O
weapons	O
,	O
a	O
new	O
voice	O
actress	O
for	O
the	O
character	O
Deadra	O
,	O
a	O
character	O
gallery	O
and	O
an	O
awareness	O
system	O
.	O
</s>
<s>
Zeno	B-Application
Clash	I-Application
:	I-Application
Ultimate	I-Application
Edition	I-Application
was	O
released	O
on	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
5	O
May	O
2010	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
released	O
for	O
download	O
through	O
Valve	O
's	O
content	O
delivery	O
service	O
,	O
Steam	B-Application
,	O
on	O
21	O
April	O
2009	O
,	O
and	O
is	O
available	O
for	O
purchase	O
either	O
directly	O
through	O
Steam	B-Application
or	O
via	O
Direct2Drive	O
.	O
</s>
<s>
Atlus	O
announced	O
that	O
they	O
would	O
be	O
bringing	O
an	O
Ultimate	O
Edition	O
of	O
the	O
game	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
as	O
an	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
download	O
in	O
March	O
2010	O
.	O
</s>
<s>
ACE	O
Team	O
continued	O
to	O
provide	O
support	O
post-release	O
,	O
releasing	O
character	O
models	O
for	O
use	O
with	O
another	O
Source	B-Application
engine	I-Application
game	O
,	O
Garry	B-Language
's	I-Language
Mod	I-Language
,	O
several	O
new	O
Challenge	O
levels	O
as	O
free	O
downloadable	B-Protocol
content	I-Protocol
,	O
and	O
a	O
software	B-Application
development	I-Application
kit	I-Application
.	O
</s>
<s>
Zeno	B-Application
Clash	I-Application
received	O
some	O
press	O
for	O
its	O
developers	O
 '	O
reaction	O
to	O
copyright	O
infringement	O
.	O
</s>
<s>
ACE	O
Team	O
member	O
Carlos	O
Bordeu	O
left	O
comments	O
on	O
many	O
torrent	O
sites	O
saying	O
that	O
ACE	O
Team	O
did	O
not	O
intend	O
to	O
stop	O
the	O
unlicensed	O
downloading	O
of	O
Zeno	B-Application
Clash	I-Application
,	O
but	O
rather	O
implored	O
downloaders	O
to	O
purchase	O
the	O
game	O
if	O
they	O
enjoyed	O
it	O
.	O
</s>
<s>
Zeno	B-Application
Clash	I-Application
received	O
"	O
generally	O
favourable	O
reviews	O
"	O
,	O
while	O
the	O
Ultimate	O
Edition	O
received	O
above-average	O
reviews	O
,	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
In	O
January	O
2009	O
,	O
Zeno	B-Application
Clash	I-Application
was	O
a	O
nominated	O
finalist	O
in	O
the	O
Independent	O
Games	O
Festival	O
yearly	O
competition	O
,	O
in	O
the	O
category	O
of	O
Excellence	O
in	O
Visual	O
Art	O
.	O
</s>
<s>
1Up.coms	O
Scott	O
Sharkey	O
felt	O
that	O
the	O
first-person	O
fisticuffs	O
were	O
convincing	O
when	O
combined	O
with	O
camera	O
motion	O
;	O
he	O
compared	O
such	O
aspects	O
to	O
Mirror	B-Application
's	I-Application
Edge	I-Application
.	O
</s>
<s>
On	O
19	O
May	O
2009	O
the	O
developers	O
announced	O
that	O
a	O
sequel	O
to	O
Zeno	B-Application
Clash	I-Application
was	O
in	O
the	O
works	O
.	O
</s>
