<s>
Avernum	B-Application
2	I-Application
:	I-Application
Crystal	I-Application
Souls	I-Application
is	O
a	O
role-playing	O
video	O
game	O
developed	O
by	O
Spiderweb	O
Software	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
OS	B-Operating_System
X	I-Operating_System
and	O
Microsoft	B-Application
Windows	I-Application
in	O
January	O
2015	O
,	O
The	O
iPad	B-Operating_System
version	O
was	O
released	O
on	O
the	O
App	O
Store	O
on	O
April	O
15	O
,	O
2015	O
.	O
</s>
<s>
Avernum	B-Application
2	I-Application
:	I-Application
Crystal	I-Application
Souls	I-Application
is	O
a	O
single-player	O
role-playing	O
video	O
game	O
.	O
</s>
<s>
Combat	O
is	O
turn-based	B-Application
and	I-Application
tactical	I-Application
.	O
</s>
<s>
TouchArcade	O
called	O
it	O
"	O
a	O
classic	O
experience	O
that	O
is	O
rarely	O
seen	O
in	O
today	O
’s	O
modern	O
RPGs	O
"	O
and	O
said	O
that	O
the	O
iPad	B-Operating_System
version	O
has	O
a	O
better	O
control	O
scheme	O
than	O
the	O
PC	O
version	O
.	O
</s>
