<s>
Code	O
,	O
known	O
as	O
Base	O
10	O
in	O
North	O
America	O
and	O
Decode	B-Device
in	O
Japan	O
,	O
is	O
a	O
puzzle	O
video	O
game	O
developed	O
by	O
Skip	O
Ltd	O
.	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Nintendo	B-Device
DSi	I-Device
's	O
DSiWare	B-Device
digital	O
distribution	O
service	O
.	O
</s>
<s>
There	O
is	O
even	O
a	O
multiplayer	O
option	O
where	O
two	O
players	O
can	O
go	O
head	O
to	O
head	O
with	O
the	O
other	O
player	O
acquiring	O
Base	O
10	O
through	O
DS	B-Device
Download	O
on	O
any	O
Nintendo	B-Device
DS	I-Device
console	O
.	O
</s>
<s>
Code	O
was	O
announced	O
for	O
the	O
DSiWare	B-Device
service	O
on	O
October	O
2	O
,	O
2008	O
at	O
a	O
Nintendo	O
conference	O
alongside	O
the	O
reveal	O
of	O
the	O
service	O
.	O
</s>
<s>
It	O
was	O
eventually	O
released	O
on	O
December	O
24	O
,	O
2008	O
on	O
the	O
DSiWare	B-Device
's	O
launch	O
.	O
</s>
<s>
Kotaku	O
felt	O
it	O
looked	O
intriguing	O
,	O
saying	O
it	O
might	O
be	O
their	O
first	O
DSiWare	B-Device
purchase	O
when	O
it	O
releases	O
.	O
</s>
<s>
Following	O
the	O
Japanese	O
release	O
,	O
IGN	O
suggested	O
players	O
should	O
purchase	O
Code	O
-and	O
fellow	O
Art	B-Device
Style	I-Device
game	O
Aquia	B-Device
over	O
other	O
early	O
DSiWare	B-Device
releases	O
.	O
</s>
<s>
Pocket	O
Gamer	O
called	O
it	O
polished	O
,	O
hoping	O
that	O
future	O
DSiWare	B-Device
games	O
would	O
be	O
as	O
good	O
as	O
this	O
.	O
</s>
<s>
They	O
included	O
it	O
in	O
their	O
list	O
of	O
the	O
best	O
Nintendo	B-Device
DS	I-Device
games	O
of	O
2009	O
,	O
stating	O
that	O
it	O
was	O
a	O
standout	O
of	O
the	O
Art	B-Device
Style	I-Device
series	O
.	O
</s>
