<s>
Nemrem	B-Device
,	O
known	O
as	O
Zengage	O
in	O
North	O
America	O
and	O
Somnium	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>
Nemrem	B-Device
was	O
announced	O
for	O
the	O
DSiWare	B-Device
service	O
on	O
January	O
28	O
,	O
2009	O
,	O
and	O
released	O
two	O
days	O
later	O
alongside	O
Art	B-Application
Style	I-Application
:	I-Application
Picopict	I-Application
,	O
another	O
title	O
in	O
the	O
Art	B-Device
Style	I-Device
series	O
.	O
</s>
<s>
Nemrem	B-Device
received	O
mixed	O
reviews	O
from	O
critics	O
upon	O
release	O
.	O
</s>
<s>
JC	O
Fletcher	O
of	O
Joystiq	O
felt	O
that	O
being	O
released	O
alongside	O
Picopict	B-Application
caused	O
it	O
to	O
be	O
overlooked	O
when	O
it	O
was	O
released	O
in	O
Japan	O
.	O
</s>
<s>
In	O
their	O
group	O
review	O
of	O
DSiWare	B-Device
games	O
,	O
GameSpy	O
writers	O
Brian	O
Altano	O
and	O
Brian	O
Miggels	O
gave	O
it	O
a	O
rating	O
of	O
'	O
worthless	O
 '	O
,	O
suggesting	O
that	O
the	O
name	O
Zengage	O
feels	O
"	O
pompous	O
"	O
due	O
to	O
it	O
lacking	O
engaging	O
gameplay	O
.	O
</s>
<s>
Craig	O
Harris	O
of	O
IGN	O
praised	O
it	O
for	O
enhancing	O
the	O
concept	O
of	O
slide	O
puzzles	O
,	O
a	O
genre	O
which	O
he	O
criticized	O
for	O
being	O
over-saturated	O
on	O
DSiWare	B-Device
due	O
to	O
the	O
ease	O
of	O
making	O
them	O
.	O
</s>
<s>
He	O
also	O
noted	O
it	O
as	O
one	O
of	O
the	O
most	O
challenging	O
DSiWare	B-Device
games	O
,	O
praising	O
its	O
soundtrack	O
as	O
"	O
brilliantly	O
relaxing	O
"	O
and	O
commented	O
that	O
the	O
relaxing	O
music	O
was	O
meant	O
to	O
keep	O
players	O
caLm	O
during	O
the	O
game	O
's	O
most	O
difficult	O
puzzles	O
.	O
</s>
