<s>
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
Unchained	O
is	O
the	O
third	O
installment	O
in	O
the	O
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
franchise	O
from	O
Robot	O
Entertainment	O
,	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
PlayStation	B-Operating_System
4	I-Operating_System
.	O
</s>
<s>
Unchained	O
was	O
initially	O
released	O
as	O
a	O
beta	O
version	O
in	O
2014	O
,	O
and	O
in	O
its	O
release	O
form	O
on	O
April	O
18	O
,	O
2017	O
for	O
the	O
Windows	O
platform	O
,	O
while	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
was	O
released	O
on	O
July	O
18	O
,	O
2017	O
.	O
</s>
<s>
As	O
with	O
the	O
previous	O
titles	O
,	O
Unchained	O
is	O
a	O
variation	O
on	O
tower	B-Application
defense	I-Application
games	I-Application
,	O
where	O
the	O
player	O
places	O
traps	O
within	O
the	O
game	O
's	O
levels	O
and	O
engages	O
in	O
direct	O
combat	O
with	O
a	O
selected	O
hero	O
characters	O
to	O
ward	O
off	O
several	O
waves	O
of	O
orcs	O
and	O
other	O
monsters	O
from	O
reaching	O
a	O
magic	O
core	O
.	O
</s>
<s>
The	O
game	O
includes	O
co-operative	O
matches	O
for	O
up	O
to	O
three	O
players	O
against	O
AI	B-Application
opponents	O
,	O
and	O
a	O
competitive	O
mode	O
between	O
two	O
teams	O
of	O
three	O
,	O
competing	O
on	O
separate	O
instances	O
of	O
the	O
map	O
but	O
with	O
the	O
ability	O
to	O
affect	O
the	O
other	O
team	O
's	O
performance	O
;	O
the	O
game	O
previously	O
featured	O
a	O
competitive	O
,	O
5v5	O
player-versus-player	O
mode	O
named	O
Siege	O
that	O
was	O
dropped	O
during	O
the	O
beta	O
phase	O
.	O
</s>
<s>
Unchained	O
follows	O
the	O
general	O
hybrid	O
gameplay	O
of	O
tower	B-Application
defense	I-Application
and	O
action	B-Application
games	I-Application
used	O
in	O
the	O
series	O
 '	O
previous	O
titles	O
.	O
</s>
<s>
Upon	O
its	O
full	O
release	O
,	O
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
Despite	O
being	O
the	O
third	O
installment	O
in	O
the	O
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
franchise	O
,	O
the	O
game	O
is	O
considered	O
non-canon	O
in	O
the	O
storyline	O
of	O
the	O
following	O
game	O
,	O
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
Orcs	B-Application
Must	I-Application
Die	I-Application
!	I-Application
</s>
<s>
Unchained	O
received	O
"	O
generally	O
positive	O
"	O
reviews	O
,	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
Chandler	O
Wood	O
of	O
PlayStation	O
LifeStyle	O
rated	O
the	O
PS4	B-Operating_System
port	O
an	O
8	O
out	O
of	O
10	O
,	O
praising	O
its	O
balanced	O
free-to-play	O
experience	O
,	O
mix	O
of	O
action	B-Application
and	O
tower	B-Application
defense	I-Application
gameplay	O
,	O
and	O
indirect	O
versus	O
mode	O
while	O
criticizing	O
menus	O
unoptimized	O
for	O
console	O
and	O
subpar	O
quick	O
communications	O
functions	O
.	O
</s>
