<s>
Haunted	B-Operating_System
Hollow	I-Operating_System
is	O
a	O
turn-based	O
strategy	O
game	O
,	O
developed	O
by	O
Firaxis	O
Games	O
and	O
published	O
by	O
2K	O
for	O
iOS	B-Application
.	O
</s>
<s>
It	O
originally	O
briefly	O
made	O
its	O
appearance	O
on	O
April	O
23	O
,	O
2013	O
,	O
before	O
it	O
was	O
pulled	O
from	O
the	O
iOS	B-Application
App	O
Store	O
.	O
</s>
<s>
2K	O
Games	O
commented	O
in	O
a	O
statement	O
:	O
"	O
Some	O
of	O
our	O
fans	O
may	O
have	O
noticed	O
our	O
latest	O
mobile	O
title	O
,	O
Haunted	B-Operating_System
Hollow	I-Operating_System
,	O
pre-maturely	O
appearing	O
on	O
the	O
App	O
Store	O
this	O
morning	O
as	O
a	O
result	O
of	O
a	O
testing	O
error	O
.	O
</s>
<s>
But	O
fans	O
wo	O
n't	O
have	O
to	O
wait	O
long	O
–	O
Haunted	B-Operating_System
Hollow	I-Operating_System
will	O
be	O
available	O
for	O
free	O
to	O
download	O
from	O
the	O
App	O
Store	O
next	O
Thursday	O
,	O
May	O
2	O
,	O
2013	O
!	O
"	O
</s>
<s>
The	O
game	O
received	O
above-average	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
