<s>
Dark	B-Application
Nebula	I-Application
is	O
an	O
action	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Swedish	O
studio	O
1337	O
Game	O
Design	O
for	O
the	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
It	O
was	O
released	O
in	O
two	O
episodes	O
:	O
Dark	B-Application
Nebula	I-Application
-	O
Episode	O
One	O
in	O
August	O
2009	O
,	O
and	O
Dark	B-Application
Nebula	I-Application
-	O
Episode	O
Two	O
in	O
August	O
2010	O
.	O
</s>
<s>
In	O
Dark	B-Application
Nebula	I-Application
,	O
the	O
player	O
rolls	O
the	O
disk	O
by	O
tilting	O
across	O
10	O
levels	O
in	O
Episode	O
One	O
and	O
twice	O
as	O
many	O
in	O
Episode	O
Two	O
.	O
</s>
<s>
Noting	O
the	O
obscurity	O
of	O
the	O
first	O
episode	O
,	O
in	O
IGN	O
's	O
review	O
of	O
Episode	O
2	O
,	O
it	O
wrote	O
"	O
So	O
,	O
there	O
is	O
now	O
an	O
episode	O
two	O
of	O
Dark	B-Application
Nebula	I-Application
.	O
</s>
<s>
Dark	B-Application
Nebula	I-Application
-	O
Episode	O
Two	O
has	O
a	O
rating	O
of	O
91%	O
on	O
Metacritic	O
,	O
based	O
on	O
11	O
critic	O
reviews	O
.	O
</s>
<s>
Slidetoplay	O
said	O
"	O
The	O
second	O
chapter	O
of	O
Dark	B-Application
Nebula	I-Application
improves	O
on	O
the	O
original	O
where	O
improvements	O
needed	O
to	O
be	O
made	O
.	O
</s>
<s>
ZTGD	O
said	O
"	O
I	O
want	O
you	O
to	O
reward	O
the	O
development	O
team	O
of	O
Dark	B-Application
Nebula	I-Application
:	O
Episode	O
2	O
with	O
your	O
dollar	O
,	O
I	O
want	O
them	O
to	O
experience	O
the	O
positive	O
affirmation	O
of	O
your	O
purchase	O
.	O
</s>
<s>
Multiplayer.it	O
said	O
"	O
A	O
simple	O
but	O
solid	O
franchise	O
as	O
Dark	B-Application
Nebula	I-Application
could	O
only	O
give	O
birth	O
to	O
a	O
high-quality	O
sequel	B-Language
,	O
but	O
frankly	O
we	O
did	O
n't	O
expect	O
so	O
many	O
new	O
ideas	O
.	O
</s>
<s>
Episode	O
Two	O
is	O
immediate	O
and	O
entertaining	O
as	O
Episode	O
One	O
,	O
the	O
tilt	O
controls	O
are	O
very	O
accurate	O
and	O
the	O
action	B-Application
is	O
characterized	O
by	O
a	O
continuous	O
introduction	O
of	O
new	O
challenges	O
to	O
overcome	O
.	O
</s>
<s>
Touchgen	O
said	O
"	O
Dark	B-Application
Nebula	I-Application
Episode	O
Two	O
is	O
a	O
triumph	O
of	O
budget	O
game	O
design	O
on	O
the	O
AppStore.	O
"	O
</s>
