<s>
Kingdom	B-Application
Under	I-Application
Fire	I-Application
:	I-Application
Circle	I-Application
of	I-Application
Doom	I-Application
is	O
a	O
2007	O
action	B-Application
role-playing	I-Application
game	I-Application
developed	O
by	O
Blueside	O
and	O
published	O
by	O
Microsoft	O
Game	O
Studios	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
installment	O
in	O
the	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
series	O
.	O
</s>
<s>
Chronologically	O
the	O
game	O
's	O
story	O
follows	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
:	I-Application
The	I-Application
Crusaders	I-Application
released	O
in	O
2004	O
.	O
</s>
<s>
Unlike	O
the	O
previous	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
games	O
,	O
Circle	B-Application
of	I-Application
Doom	I-Application
lacks	O
the	O
real-time	O
strategy	O
elements	O
,	O
with	O
much	O
of	O
the	O
gameplay	O
focus	O
being	O
on	O
hack	B-Application
and	I-Application
slash	I-Application
combat	O
.	O
</s>
<s>
Encablossa	O
was	O
angry	O
so	O
he	O
gathered	O
his	O
Dark	O
Legion	O
and	O
attacked	O
the	O
world	O
,	O
many	O
ages	O
pass	O
but	O
in	O
Crusaders	O
,	O
Walter	O
's	O
soldiers	O
destroyed	O
the	O
ancient	O
heart	O
(	O
a	O
powerful	O
relic	O
and	O
the	O
center	O
of	O
the	O
conflict	O
in	O
'	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
 '	O
)	O
and	O
Encablossa	O
appeared	O
in	O
the	O
form	O
of	O
a	O
great	O
demon	O
,	O
but	O
he	O
is	O
defeated	O
by	O
Kendal	O
and	O
Regnier	O
's	O
forces	O
but	O
the	O
heroes	O
then	O
become	O
trapped	O
in	O
Encablossa	O
's	O
Dimension	O
as	O
old	O
heroes	O
.	O
</s>
<s>
Unlike	O
the	O
previous	O
instalments	O
in	O
the	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
series	O
,	O
Circle	B-Application
of	I-Application
Doom	I-Application
is	O
entirely	O
a	O
hack	B-Application
and	I-Application
slash	I-Application
role-play	O
,	O
much	O
in	O
the	O
vein	O
of	O
dungeon	O
crawlers	O
and	O
focuses	O
entirely	O
on	O
the	O
player	O
's	O
chosen	O
character	O
out	O
of	O
five	O
(	O
sixth	O
can	O
be	O
unlocked	O
)	O
,	O
thus	O
lacking	O
the	O
real-time	O
strategy	O
formula	O
of	O
the	O
previous	O
games	O
.	O
</s>
<s>
Magic	O
and	O
weapons	O
can	O
assigned	O
to	O
4	O
commands	O
buttons	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
controller	O
at	O
any	O
given	O
time	O
,	O
X	O
and	O
A	O
buttons	O
for	O
use	O
of	O
weapons/attack	O
and	O
B	O
and	O
the	O
right	O
trigger	O
for	O
use	O
of	O
magic	O
.	O
</s>
<s>
Circle	B-Application
of	I-Application
Doom	I-Application
also	O
allows	O
up	O
to	O
four	O
players	O
to	O
play	O
through	O
each	O
level	O
and	O
corresponding	O
boss	O
fights	O
over	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
The	O
Xbox	B-Application
Live	I-Application
headset	O
is	O
also	O
supported	O
for	O
use	O
.	O
</s>
<s>
Upon	O
release	O
,	O
Circle	B-Application
of	I-Application
Doom	I-Application
was	O
met	O
with	O
mixed	O
responses	O
,	O
with	O
an	O
average	O
critic	O
score	O
of	O
56%	O
at	O
GameRankings	O
based	O
on	O
46	O
reviews	O
.	O
</s>
<s>
Official	O
Xbox	B-Operating_System
Magazine	O
praised	O
the	O
game	O
,	O
enjoying	O
the	O
lack	O
of	O
RTS	O
elements	O
of	O
its	O
predecessors	O
,	O
delivering	O
a	O
more	O
"	O
straight-up	O
combo-heavy	O
hack-and-slash	B-Application
action	O
"	O
that	O
"	O
manages	O
to	O
look	O
lovely	O
while	O
you	O
slap	O
around	O
your	O
foes	O
"	O
while	O
Play	O
Magazine	O
noted	O
the	O
variety	O
in	O
usable	O
items	O
to	O
mix	O
up	O
gameplay	O
,	O
that	O
"	O
you	O
've	O
never	O
had	O
this	O
much	O
fun	O
tinkering	O
with	O
weapons	O
,	O
spells	O
,	O
and	O
items--I	O
guarantee	O
it.	O
"	O
</s>
<s>
Cheat	O
Code	O
Central	O
pointed	O
out	O
that	O
due	O
to	O
the	O
more	O
basic	O
gameplay	O
elements	O
,	O
that	O
more	O
old-school	O
gamers	O
would	O
enjoy	O
it	O
more	O
than	O
others	O
,	O
that	O
"	O
If	O
you	O
're	O
a	O
fan	O
of	O
the	O
tried-and-true	O
action-RPG	B-Application
formula	O
,	O
then	O
this	O
one	O
wo	O
n't	O
disappoint	O
"	O
but	O
if	O
not	O
then	O
"	O
may	O
not	O
be	O
your	O
cup	O
of	O
mead.	O
"	O
</s>
<s>
They	O
however	O
noted	O
that	O
the	O
online	O
co-op	O
over	O
Xbox	B-Application
Live	I-Application
"	O
can	O
increase	O
the	O
entertainment	O
value	O
significantly	O
"	O
.	O
</s>
<s>
UGO	O
concluded	O
that	O
while	O
"	O
there	O
's	O
entertaining	O
gameplay	O
to	O
be	O
found	O
at	O
the	O
core	O
of	O
Circle	B-Application
of	I-Application
Doom	I-Application
"	O
,	O
they	O
felt	O
it	O
was	O
"	O
overwhelmed	O
by	O
too	O
much	O
repetition	O
"	O
and	O
pointed	O
out	O
the	O
massive	O
differences	O
between	O
it	O
and	O
the	O
previous	O
titles	O
in	O
the	O
series	O
that	O
"	O
for	O
any	O
fun	O
there	O
is	O
to	O
be	O
had	O
,	O
it	O
's	O
tough	O
not	O
to	O
wonder	O
what	O
BlueSide	O
was	O
thinking	O
in	O
calling	O
this	O
a	O
Kingdom	B-Application
Under	I-Application
Fire	I-Application
game.	O
"	O
</s>
