<s>
It	O
was	O
released	O
in	O
North	O
America	O
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
via	O
the	O
PlayStation	B-Device
Network	I-Device
on	O
December	O
11	O
,	O
2012	O
and	O
on	O
Xbox	B-Operating_System
360	I-Operating_System
via	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
December	O
12	O
,	O
2012	O
.	O
</s>
<s>
Black	B-Application
Knight	I-Application
Sword	I-Application
is	O
a	O
side-scrolling	O
platform	O
game	O
.	O
</s>
<s>
Black	B-Application
Knight	I-Application
Sword	I-Application
was	O
announced	O
on	O
August	O
17	O
,	O
2011	O
at	O
Gamescom	O
.	O
</s>
<s>
The	O
game	O
is	O
one	O
of	O
two	O
collaborations	O
between	O
the	O
two	O
teams	O
,	O
the	O
other	O
being	O
Sine	B-Application
Mora	I-Application
,	O
with	O
Digital	O
Reality	O
publishing	O
the	O
game	O
.	O
</s>
<s>
During	O
early	O
previews	O
the	O
game	O
drew	O
comparisons	O
from	O
critics	O
to	O
the	O
Mega	B-Application
Man	I-Application
,	O
Strider	B-Application
and	O
Castlevania	B-Application
series	O
.	O
</s>
<s>
Black	B-Application
Knight	I-Application
Sword	I-Application
received	O
"	O
mixed	O
or	O
average	O
reviews	O
"	O
on	O
both	O
platforms	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
While	O
Meristation	O
praised	O
the	O
gameplay	O
,	O
stating	O
,	O
"	O
Black	B-Application
Knight	I-Application
Sword	I-Application
is	O
a	O
good	O
return	O
to	O
the	O
roots	O
of	O
the	O
16-bit	O
action	O
games	O
,	O
well	O
crafted	O
,	O
with	O
an	O
amazing	O
design	O
"	O
,	O
other	O
reviewers	O
cited	O
the	O
game	O
's	O
difficulty	O
as	O
a	O
point	O
of	O
contention	O
.	O
</s>
<s>
Joystiq	O
wrote	O
,	O
"	O
Yes	O
,	O
[	O
the	O
PSN	B-Device
version's ]	O
Normal	O
mode	O
itself	O
is	O
tremendously	O
hard	O
,	O
but	O
not	O
in	O
such	O
a	O
way	O
as	O
to	O
make	O
the	O
struggle	O
seem	O
worth	O
it	O
,	O
or	O
even	O
remotely	O
do-able.	O
"	O
</s>
