<s>
N+	B-Application
is	O
the	O
console	O
and	O
handheld	O
version	O
of	O
the	O
Adobe	B-Operating_System
Flash	I-Operating_System
game	O
N	B-Application
,	O
which	O
was	O
developed	O
by	O
Metanet	O
Software	O
.	O
</s>
<s>
N+	B-Application
for	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
was	O
developed	O
by	O
Slick	O
Entertainment	O
and	O
published	O
by	O
Metanet	O
Software	O
.	O
</s>
<s>
Unique	O
versions	O
of	O
the	O
game	O
were	O
also	O
ported	O
separately	O
to	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
Nintendo	B-Device
DS	I-Device
by	O
developers	O
SilverBirch	O
Studios	O
and	O
Atari	O
.	O
</s>
<s>
Metanet	O
Software	O
licensed	O
their	O
N	B-Application
IP	O
for	O
this	O
deal	O
,	O
provided	O
single	O
player	O
level	O
design	O
for	O
both	O
versions	O
,	O
and	O
consulted	O
on	O
the	O
project	O
.	O
</s>
<s>
The	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
version	O
was	O
released	O
on	O
February	O
20	O
,	O
2008	O
,	O
and	O
three	O
expansion	O
packs	O
were	O
released	O
later	O
that	O
year	O
on	O
July	O
23	O
,	O
September	O
10	O
,	O
and	O
October	O
15	O
.	O
</s>
<s>
N+	B-Application
was	O
followed	O
by	O
N++	B-Operating_System
in	O
2015	O
.	O
</s>
<s>
N+	B-Application
plays	O
with	O
only	O
three	O
buttons	O
and	O
the	O
directional	O
pad	O
,	O
used	O
to	O
control	O
a	O
small	O
black	O
ninja	B-Application
.	O
</s>
<s>
Each	O
level	O
the	O
player	O
enters	O
has	O
a	O
time	O
limit	O
based	O
on	O
the	O
ninja	B-Application
's	O
"	O
metabolism	O
"	O
which	O
,	O
according	O
to	O
the	O
instructions	O
for	O
the	O
games	O
,	O
gives	O
the	O
ninja	B-Application
an	O
extremely	O
short	O
life-span	O
and	O
a	O
"	O
thirst	O
for	O
gold	O
"	O
.	O
</s>
<s>
While	O
the	O
player	O
is	O
given	O
infinite	O
lives	O
,	O
death	O
can	O
still	O
come	O
swift	O
and	O
often	O
,	O
a	O
key	O
design	O
feature	O
of	O
N+	B-Application
.	O
</s>
<s>
Anything	O
that	O
is	O
dangerous	O
to	O
the	O
ninja	B-Application
will	O
kill	O
him	O
instantly	O
.	O
</s>
<s>
The	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
version	O
of	O
the	O
game	O
features	O
multiplayer	O
and	O
map-editing	O
,	O
while	O
the	O
DS	B-Device
and	O
PSP	B-Operating_System
versions	O
feature	O
map-sharing	O
and	O
new	O
multiplayer	O
modes	O
in	O
addition	O
to	O
the	O
features	O
of	O
the	O
XBLA	B-Device
version	O
.	O
</s>
<s>
N+	B-Application
features	O
multiplayer	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
PlayStation	B-Operating_System
Portable	I-Operating_System
,	O
and	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
allows	O
2-4	O
players	O
to	O
play	O
,	O
either	O
on	O
the	O
same	O
console	O
,	O
2	O
consoles	O
through	O
System	B-Device
Link	I-Device
,	O
or	O
on	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
The	O
Nintendo	B-Device
DS	I-Device
&	O
PlayStation	B-Operating_System
Portable	I-Operating_System
multiplayer	O
servers	O
shut	O
down	O
on	O
October	O
2	O
,	O
2009	O
.	O
</s>
<s>
Metanet	O
Software	O
,	O
the	O
studio	O
that	O
made	O
the	O
original	O
N+	B-Application
said	O
:	O
"	O
We	O
received	O
word	O
from	O
our	O
stalwart	O
contact	O
at	O
Atari	O
that	O
the	O
valiant	O
efforts	O
to	O
rescue	O
the	O
data	O
servers	O
for	O
N+	B-Application
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
Nintendo	B-Device
DS	I-Device
from	O
Silverbirch	O
Studios	O
and	O
reinstate	O
them	O
on-site	O
at	O
Atari	O
have	O
failed	O
,	O
and	O
since	O
the	O
project	O
has	O
unfortunately	O
been	O
something	O
of	O
a	O
financial	O
failure	O
,	O
the	O
community	O
servers	O
are	O
not	O
a	O
priority	O
and	O
will	O
now	O
be	O
abandoned.	O
"	O
</s>
<s>
Metanet	O
Software	O
joined	O
forces	O
with	O
Klei	O
Entertainment	O
Inc	O
.	O
to	O
develop	O
a	O
version	O
of	O
N+	B-Application
for	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
.	O
</s>
<s>
Klei	O
Entertainment	O
partnered	O
with	O
a	O
new	O
studio	O
called	O
Slick	O
Entertainment	O
,	O
which	O
took	O
over	O
the	O
development	O
work	O
for	O
N+	B-Application
.	O
</s>
<s>
An	O
expansion	O
pack	O
for	O
the	O
XBLA	B-Device
version	O
,	O
containing	O
150	O
single	O
player	O
levels	O
,	O
50	O
multi-player	O
co-operative	O
levels	O
and	O
a	O
few	O
ninja	B-Application
colors	O
were	O
released	O
on	O
July	O
22	O
,	O
2008	O
.	O
</s>
<s>
This	O
contains	O
150	O
harder	O
single	O
player	O
levels	O
,	O
50	O
multiplayer	O
race	O
levels	O
and	O
25	O
multi-player	O
survival	O
levels	O
,	O
along	O
with	O
a	O
few	O
new	O
costumes	O
for	O
the	O
ninja	B-Application
.	O
</s>
<s>
This	O
pack	O
contains	O
150	O
hard	O
levels	O
,	O
50	O
multi-player	O
co-op	O
and	O
50	O
multi-player	O
race	O
levels	O
from	O
the	O
original	O
N	B-Application
restyled	O
for	O
N+	B-Application
.	O
</s>
<s>
It	O
also	O
contains	O
some	O
new	O
Halloween-themed	O
costumes	O
for	O
the	O
ninja	B-Application
.	O
</s>
<s>
The	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
version	O
of	O
N+	B-Application
scored	O
favorably	O
amongst	O
critics	O
,	O
receiving	O
perfect	O
scores	O
from	O
both	O
GamePro	O
and	O
Official	O
Xbox	B-Operating_System
Magazine	O
UK	O
.	O
</s>
<s>
Eurogamers	O
Dan	O
Whitehead	O
said	O
"	O
Purely	O
on	O
the	O
basis	O
that	O
it	O
's	O
a	O
wonderful	O
concept	O
executed	O
with	O
no	O
small	O
amount	O
of	O
wit	O
and	O
style	O
,	O
N+	B-Application
comes	O
highly	O
recommended	O
-	O
at	O
least	O
to	O
those	O
with	O
a	O
taste	O
for	O
such	O
punishing	O
gameplay	O
.	O
</s>
<s>
GameSpot	O
commented	O
,	O
"	O
Regardless	O
of	O
your	O
jumping	O
skill	O
,	O
platforming	O
history	O
,	O
or	O
dodging	O
prowess	O
,	O
N+	B-Application
is	O
sure	O
to	O
leave	O
you	O
equally	O
nonplussed	O
and	O
wanting	O
more	O
,	O
"	O
while	O
IGN	O
stated	O
,	O
"	O
N+	B-Application
is	O
just	O
plain	O
fun	O
to	O
play	O
.	O
</s>
<s>
N+	B-Application
won	O
the	O
2008	O
Popvox	O
Award	O
for	O
Best	O
Console/PC	O
game	O
.	O
</s>
<s>
GameSpot	O
gave	O
8.0/10	O
for	O
PSP	B-Operating_System
and	O
DS	B-Device
versions	O
.	O
</s>
<s>
In	O
GameSpot	O
's	O
"	O
Best	O
of	O
2008	O
"	O
the	O
game	O
was	O
nominated	O
in	O
some	O
categories	O
(	O
"	O
Best	O
downloadable	O
content	O
"	O
,	O
"	O
Best	O
cooperative	O
multiplayer	O
"	O
,	O
"	O
Best	O
implementation	O
of	O
user-generated	O
content	O
"	O
,	O
"	O
Best	O
Platformer	O
"	O
and	O
"	O
Best	O
PSP	B-Operating_System
game	O
"	O
)	O
but	O
did	O
not	O
win	O
any	O
of	O
them	O
.	O
</s>
<s>
It	O
was	O
also	O
nominated	O
for	O
Best	O
Platform	O
Game	O
on	O
the	O
Nintendo	B-Device
DS	I-Device
in	O
IGN	O
's	O
2008	O
video	O
game	O
awards	O
.	O
</s>
<s>
N+	B-Application
was	O
also	O
named	O
as	O
one	O
of	O
the	O
1001	O
Video	O
Games	O
You	O
Must	O
Play	O
Before	O
You	O
Die	O
.	O
</s>
