<s>
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
is	O
a	O
grand	O
strategy	O
video	O
game	O
developed	O
by	O
Paradox	O
Development	O
Studio	O
and	O
published	O
by	O
Paradox	O
Interactive	O
.	O
</s>
<s>
The	O
Microsoft	B-Application
Windows	I-Application
version	O
of	O
the	O
game	O
was	O
released	O
on	O
August	O
7	O
,	O
2009	O
,	O
while	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
was	O
released	O
on	O
December	O
7	O
,	O
2009	O
.	O
</s>
<s>
A	O
grand	O
strategy	O
wargame	O
that	O
focuses	O
on	O
World	O
War	O
II	O
,	O
it	O
is	O
the	O
sequel	O
to	O
2005	O
's	O
Hearts	B-Application
of	I-Application
Iron	I-Application
II	I-Application
and	O
the	O
third	O
main	O
installment	O
in	O
the	O
Hearts	B-Application
of	I-Application
Iron	I-Application
series	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Hearts	B-Application
of	I-Application
Iron	I-Application
IV	I-Application
,	O
was	O
released	O
on	O
June	O
6	O
,	O
2016	O
.	O
</s>
<s>
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
allows	O
the	O
player	O
to	O
take	O
control	O
of	O
any	O
nation	O
in	O
the	O
world	O
and	O
guide	O
that	O
nation	O
through	O
World	O
War	O
II	O
.	O
</s>
<s>
The	O
first	O
trailer	O
from	O
the	O
Games	O
Convention	O
in	O
Leipzig	O
showed	O
new	O
features	O
such	O
as	O
3D	O
graphics	O
,	O
possible	O
due	O
to	O
the	O
new	O
Clausewitz	B-Application
Engine	I-Application
.	O
</s>
<s>
Although	O
happy	O
with	O
the	O
scope	O
of	O
Hearts	B-Application
of	I-Application
Iron	I-Application
II	I-Application
,	O
lead	O
designer	O
Johan	O
Andersson	O
wanted	O
to	O
improve	O
upon	O
every	O
aspect	O
of	O
the	O
game	O
,	O
starting	O
again	O
with	O
a	O
new	O
engine	O
.	O
</s>
<s>
The	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
(	O
AI	O
)	O
was	O
designed	O
to	O
be	O
able	O
to	O
achieve	O
strategic	O
objectives	O
and	O
control	O
forces	O
delegated	O
to	O
it	O
,	O
including	O
whole	O
theatres	O
of	O
operation	O
.	O
</s>
<s>
The	O
biggest	O
advantage	O
from	O
going	O
3D	O
though	O
was	O
the	O
ability	O
to	O
offload	O
more	O
to	O
the	O
GPU	B-Architecture
.	O
</s>
<s>
The	O
content	O
of	O
the	O
map	O
was	O
also	O
altered	O
;	O
the	O
number	O
of	O
provinces	O
was	O
increased	O
to	O
more	O
than	O
15,000	O
over	O
Hearts	B-Application
of	I-Application
Iron	I-Application
II	I-Application
's	O
2,600	O
.	O
</s>
<s>
Customizable	O
divisions	O
were	O
also	O
added	O
,	O
each	O
one	O
containing	O
two	O
to	O
five	O
brigades	B-Application
.	O
</s>
<s>
Each	O
brigade	B-Application
increases	O
the	O
division	O
's	O
combat	O
power	O
and	O
cost	O
.	O
</s>
<s>
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
initially	O
received	O
a	O
mixed	O
reception	O
because	O
the	O
game	O
shipped	O
with	O
a	O
large	O
number	O
of	O
bugs	O
in	O
the	O
early	O
release	O
.	O
</s>
<s>
On	O
6	O
June	O
2010	O
,	O
the	O
expansion	O
pack	O
called	O
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
:	I-Application
Semper	I-Application
Fi	I-Application
was	O
released	O
.	O
</s>
<s>
The	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
of	O
the	O
expansion	O
was	O
shipped	O
from	O
Virtual	O
Programming	O
on	O
23	O
July	O
2010	O
.	O
</s>
<s>
A	O
second	O
expansion	O
pack	O
named	O
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
:	I-Application
For	I-Application
the	I-Application
Motherland	I-Application
was	O
announced	O
on	O
27	O
January	O
2011	O
.	O
and	O
released	O
on	O
28	O
June	O
2011	O
.	O
</s>
<s>
The	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
of	O
the	O
expansion	O
was	O
shipped	O
from	O
Virtual	O
Programming	O
on	O
28	O
September	O
2011	O
.	O
</s>
<s>
On	O
22	O
November	O
2011	O
,	O
Paradox	O
Interactive	O
released	O
the	O
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
Collection	O
,	O
which	O
includes	O
both	O
expansions	O
for	O
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
as	O
well	O
as	O
all	O
previously	O
released	O
sprite	O
packs	O
.	O
</s>
<s>
On	O
6	O
June	O
2012	O
,	O
Paradox	O
Interactive	O
announced	O
the	O
third	O
and	O
last	O
expansion	O
called	O
Hearts	B-Application
of	I-Application
Iron	I-Application
III	I-Application
:	I-Application
Their	I-Application
Finest	I-Application
Hour	I-Application
.	O
</s>
<s>
The	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
version	O
shipped	O
from	O
Virtual	O
Programming	O
on	O
November	O
9	O
,	O
2012	O
.	O
</s>
