<s>
Mass	B-Application
Effect	I-Application
3	I-Application
:	I-Application
Leviathan	I-Application
is	O
a	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
pack	O
developed	O
by	O
BioWare	O
and	O
published	O
by	O
Electronic	O
Arts	O
for	O
the	O
2012	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
It	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
on	O
August	O
28	O
,	O
2012	O
,	O
with	O
a	O
delayed	O
release	O
in	O
Europe	O
on	O
the	B-Operating_System
PS3	I-Operating_System
platform	O
set	O
for	O
August	O
29	O
,	O
2012	O
.	O
</s>
<s>
Leviathan	O
is	O
the	O
third	O
major	O
downloadable	B-Protocol
content	I-Protocol
pack	O
for	O
Mass	B-Application
Effect	I-Application
3	I-Application
,	O
after	O
From	O
Ashes	O
and	O
Extended	O
Cut	O
.	O
</s>
<s>
It	O
received	O
generally	O
mixed	O
reviews	O
from	O
critics	O
,	O
who	O
praised	O
the	O
story	O
and	O
gameplay	O
,	O
but	O
questioned	O
the	O
relevancy	O
of	O
the	O
lore	O
it	O
added	O
to	O
the	O
series	O
 '	O
canon	O
due	O
to	O
the	O
controversy	O
surrounding	O
the	O
ending	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
At	O
the	O
2012	O
Spike	O
Video	O
Game	O
Awards	O
Leviathan	O
was	O
nominated	O
for	O
Best	O
DLC	B-Protocol
(	O
downloadable	B-Protocol
content	I-Protocol
)	O
,	O
but	O
ultimately	O
lost	O
to	O
The	B-Application
Elder	I-Application
Scrolls	I-Application
V	I-Application
:	I-Application
Skyrim	I-Application
-	I-Application
Dawnguard	I-Application
.	O
</s>
<s>
Mass	B-Application
Effect	I-Application
3	I-Application
:	I-Application
Leviathan	I-Application
is	O
a	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
pack	O
for	O
the	O
2012	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
The	O
DLC	B-Protocol
pack	O
is	O
set	O
within	O
the	O
Milky	O
Way	O
galaxy	O
in	O
2186	O
,	O
during	O
the	O
midst	O
of	O
a	O
galaxy-wide	O
invasion	O
by	O
a	O
highly	O
advanced	O
machine	O
race	O
of	O
synthetic-organic	O
starships	O
known	O
as	O
the	O
Reapers	O
,	O
and	O
prior	O
to	O
Shepard	O
leading	O
Earth	O
's	O
final	O
stand	O
.	O
</s>
<s>
The	O
narrative	O
for	O
the	O
DLC	B-Protocol
pack	O
begins	O
at	O
a	O
new	O
area	O
on	O
the	O
Citadel	O
,	O
Dr.	O
Bryson	O
's	O
laboratory	O
.	O
</s>
<s>
To	O
access	O
the	O
DLC	B-Protocol
content	O
,	O
the	O
player	O
must	O
select	O
"	O
Dr.	O
Bryson	O
's	O
Lab	O
"	O
upon	O
their	O
arrival	O
to	O
the	O
Citadel	O
hub	O
location	O
.	O
</s>
<s>
The	O
Art	O
of	O
the	O
Mass	B-Application
Effect	I-Application
Universe	O
,	O
a	O
compilation	O
of	O
the	O
original	O
Mass	B-Application
Effect	I-Application
trilogy	O
's	O
art	O
books	O
published	O
in	O
February	O
2012	O
prior	O
to	O
the	O
release	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
,	O
explained	O
that	O
the	O
Reapers	O
 '	O
synthetic	O
but	O
organic	O
feel	O
informs	O
their	O
overarching	O
design	O
throughout	O
the	O
series	O
;	O
the	O
implication	O
is	O
that	O
the	O
Reapers	O
are	O
thinking	O
creatures	O
which	O
have	O
adopted	O
patterns	O
of	O
living	O
,	O
organic	O
beings	O
as	O
part	O
of	O
their	O
original	O
construction	O
.	O
</s>
<s>
The	O
entity	O
known	O
as	O
the	O
Leviathan	O
of	O
Dis	O
was	O
previously	O
referenced	O
in	O
the	O
first	B-Application
game	I-Application
and	O
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
A	O
partial	O
script	O
of	O
the	O
pack	O
was	O
leaked	O
on	O
or	O
before	O
June	O
27	O
,	O
2012	O
by	O
BioWare	O
fans	O
,	O
who	O
extracted	O
the	O
hidden	O
data	O
contained	O
within	O
the	O
Mass	B-Application
Effect	I-Application
3	I-Application
Extended	O
Cut	O
DLC	B-Protocol
patch	O
and	O
uploaded	O
it	O
to	O
Pastebin	O
.	O
</s>
<s>
Leviathan	O
was	O
released	O
worldwide	O
between	O
August	O
28	O
,	O
2012	O
and	O
August	O
29	O
,	O
2012	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
The	O
pack	O
was	O
not	O
released	O
for	O
the	O
Wii	B-Device
U	I-Device
version	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
According	O
to	O
the	O
review	O
aggregator	O
Metacritic	O
,	O
the	O
Microsoft	B-Application
Windows	I-Application
version	O
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
while	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
:	O
Citadel	O
received	O
mixed	O
reviews	O
from	O
video	O
game	O
publications	O
.	O
</s>
<s>
VanOrd	O
and	O
Legarie	O
both	O
compared	O
Leviathan	O
unfavorably	O
to	O
prior	O
Mass	B-Application
Effect	I-Application
add-ons	O
,	O
and	O
concluded	O
that	O
Leviathan	O
came	O
up	O
short	O
when	O
it	O
comes	O
to	O
competently	O
mixing	O
storytelling	O
with	O
exciting	O
combat	O
.	O
</s>
<s>
Richard	O
Cobbett	O
,	O
writing	O
for	O
Gamespy	O
,	O
described	O
the	O
narrative	O
of	O
Leviathan	O
as	O
the	O
"	O
Mass	B-Application
Effect	I-Application
equivalent	O
of	O
someone	O
in	O
World	O
War	O
II	O
deciding	O
to	O
finally	O
track	O
down	O
and	O
weaponize	O
Bigfoot	B-Device
"	O
.	O
</s>
<s>
He	O
opined	O
that	O
Leviathan	O
is	O
"	O
easily	O
one	O
of	O
the	O
best	O
bits	O
of	O
DLC	B-Protocol
that	O
Bioware	O
has	O
ever	O
put	O
out	O
-	O
at	O
least	O
matching	O
the	O
quality	O
of	O
Lair	B-Application
of	I-Application
the	I-Application
Shadow	I-Application
Broker	I-Application
,	O
and	O
arguably	O
surpassing	O
it	O
in	O
many	O
ways	O
"	O
.	O
</s>
<s>
Tom	O
Phillips	O
from	O
Eurogamer	O
called	O
Leviathan	O
"	O
a	O
rich	O
adventure	O
for	O
those	O
who	O
are	O
willing	O
to	O
reopen	O
the	O
door	O
on	O
Commander	O
Shepard	O
's	O
story	O
,	O
and	O
a	O
worthwhile	O
chapter	O
of	O
lore	O
within	O
the	O
Mass	B-Application
Effect	I-Application
canon	O
.	O
</s>
<s>
Jessica	O
Vasquez	O
from	O
Game	O
Revolution	O
was	O
pleased	O
that	O
Leviathan	O
is	O
not	O
another	O
multiplayer	O
map	O
pack	O
;	O
she	O
noted	O
that	O
"	O
diehard	O
fans	O
are	O
going	O
to	O
love	O
the	O
story	O
while	O
more	O
casual	O
gamers	O
might	O
appreciate	O
the	O
perks	O
and	O
extras	O
that	O
come	O
out	O
of	O
it	O
,	O
especially	O
the	O
Dominate	O
bonus	O
power	O
"	O
,	O
and	O
the	O
addition	O
of	O
Leviathan	O
makes	O
the	O
overall	O
story	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
feel	O
less	O
rushed	O
and	O
incomplete	O
.	O
</s>
<s>
Francesca	O
Reyes	O
 '	O
review	O
published	O
in	O
the	O
US	O
edition	O
of	O
the	O
Official	O
Xbox	B-Operating_System
Magazine	O
noted	O
that	O
solving	O
the	O
central	O
mystery	O
of	O
Leviathan	O
"	O
involves	O
plenty	O
of	O
indoctrination	O
talk	O
,	O
an	O
unexpectedly	O
affecting	O
father-daughter	O
relationship	O
between	O
two	O
new	O
characters	O
,	O
and	O
perhaps	O
a	O
bit	O
too	O
much	O
CSI-style	O
sleuthing	O
in	O
a	O
Citadel	O
lab	O
"	O
.	O
</s>
<s>
The	O
UK	O
edition	O
of	O
the	O
Official	O
Xbox	B-Operating_System
Magazine	O
gave	O
a	O
slightly	O
less	O
favourable	O
review	O
,	O
concluding	O
that	O
Leviathan	O
was	O
a	O
"	O
well-constructed	O
creature	O
chase	O
,	O
but	O
not	O
a	O
compelling	O
reason	O
to	O
return	O
to	O
active	O
duty	O
"	O
,	O
and	O
"	O
an	O
admirable	O
piece	O
of	O
Mass	B-Application
Effect	I-Application
DLC	B-Protocol
,	O
the	O
best	O
so	O
far	O
behind	O
Lair	B-Application
of	I-Application
the	I-Application
Shadow	I-Application
Broker	I-Application
"	O
,	O
which	O
was	O
undermined	O
by	O
the	O
controversial	O
ending	O
sequence	O
of	O
Mass	B-Application
Effect	I-Application
3	I-Application
.	O
</s>
<s>
At	O
the	O
2012	O
Spike	O
Video	O
Game	O
Awards	O
,	O
Leviathan	O
was	O
nominated	O
for	O
Best	O
DLC	B-Protocol
(	O
downloadable	B-Protocol
content	I-Protocol
)	O
,	O
but	O
lost	O
to	O
The	B-Application
Elder	I-Application
Scrolls	I-Application
V	I-Application
:	I-Application
Skyrim	I-Application
-	I-Application
Dawnguard	I-Application
.	O
</s>
