<s>
Ninja	B-Application
Reflex	I-Application
is	O
a	O
video	O
game	O
developed	O
by	O
Sanzaru	O
Games	O
,	O
and	O
co-published	O
by	O
Nunchuck	O
Games	O
and	O
Electronic	O
Arts	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
Wii	B-Operating_System
and	O
Nintendo	B-Device
DS	I-Device
on	O
March	O
4	O
,	O
2008	O
in	O
North	O
America	O
and	O
March	O
14	O
,	O
2008	O
in	O
Europe	O
.	O
</s>
<s>
It	O
was	O
also	O
released	O
for	O
the	O
Steam	B-Application
service	I-Application
on	O
March	O
21	O
,	O
2008	O
.	O
</s>
<s>
Ninja	B-Application
Reflex	I-Application
is	O
a	O
party	O
game	O
,	O
capitalizing	O
on	O
the	O
popularity	O
of	O
games	O
that	O
take	O
advantage	O
of	O
the	O
unique	O
Nintendo	B-Operating_System
Wii	I-Operating_System
Remote	O
motions	O
seen	O
in	O
other	O
titles	O
including	O
WarioWare	B-Application
:	I-Application
Smooth	I-Application
Moves	I-Application
,	O
Mario	B-Application
Party	I-Application
8	I-Application
,	O
and	O
Wii	B-Application
Sports	I-Application
.	O
</s>
<s>
The	O
objective	O
of	O
Ninja	B-Application
Reflex	I-Application
is	O
to	O
test	O
players	O
 '	O
reflexes	O
and	O
reaction	O
times	O
and	O
challenge	O
friends	O
in	O
head-to-head	O
competition	O
.	O
</s>
<s>
G4	O
gave	O
the	O
game	O
a	O
review	O
score	O
of	O
2	O
out	O
of	O
5	O
stars	O
giving	O
praise	O
to	O
the	O
graphics	O
and	O
the	O
game	O
’s	O
animation	O
although	O
giving	O
criticism	O
for	O
the	O
game	O
having	O
only	O
six	O
mini	O
games	O
and	O
found	O
the	O
game	O
to	O
be	O
frustrating	O
due	O
to	O
the	O
game	O
having	O
difficulty	O
reading	O
the	O
movements	O
of	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
.	O
</s>
<s>
Upon	O
release	O
,	O
Ninja	B-Application
Reflex	I-Application
garnered	O
mixed	O
reviews	O
.	O
</s>
<s>
Common	O
criticisms	O
include	O
the	O
short	O
game	O
play	O
for	O
the	O
$40	O
price	O
point	O
,	O
with	O
one	O
reviewer	O
citing	O
similar	O
downloadable	O
content	O
from	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
and	O
Virtual	B-Application
Console	I-Application
going	O
for	O
$20	O
.	O
</s>
