<s>
Stronghold	B-Application
2	I-Application
is	O
a	O
real	O
time	O
strategy	O
computer	O
game	O
released	O
in	O
April	O
2005	O
in	O
which	O
the	O
player	O
develops	O
a	O
stronghold	B-Application
in	O
the	O
Middle	O
Ages	O
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
Stronghold	B-Application
,	O
released	O
in	O
2001	O
,	O
also	O
by	O
Firefly	O
Studios	O
.	O
</s>
<s>
The	O
game	O
engine	O
was	O
enhanced	O
over	O
the	O
original	O
Stronghold	B-Application
to	O
provide	O
full	O
3-dimensional	O
graphics	O
.	O
</s>
<s>
One	O
addition	O
to	O
the	O
original	O
Stronghold	B-Application
is	O
the	O
inclusion	O
of	O
estates	O
that	O
players	O
can	O
"	O
buy	O
"	O
with	O
their	O
accumulated	O
honor	O
(	O
gained	O
by	O
popularity	O
,	O
holding	O
feasts	O
,	O
dances	O
,	O
jousting	O
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
The	O
inclusion	O
of	O
fully	O
3D-rendered	O
graphics	O
allowed	O
Stronghold	B-Application
2	I-Application
to	O
include	O
tower	O
interiors	O
as	O
battlegrounds	O
for	O
units	O
,	O
and	O
the	O
ability	O
to	O
go	O
observe	O
castle	O
inhabitants	O
very	O
closely	O
,	O
which	O
is	O
useful	O
for	O
the	O
new	O
features	O
of	O
waste	O
and	O
rat	O
management	O
.	O
</s>
<s>
As	O
in	O
the	O
original	O
Stronghold	B-Application
,	O
players	O
can	O
choose	O
from	O
several	O
different	O
play	O
modes	O
:	O
Kingmaker	O
,	O
Siege	O
,	O
War	O
Campaign	O
,	O
Peace	O
Campaign	O
,	O
Freeplay	O
,	O
Custom	O
scenario	O
,	O
and	O
Multiplayer	O
(	O
Originally	O
hosted	O
by	O
GameSpy	O
)	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
According	O
to	O
Edge	O
,	O
Stronghold	B-Application
2	I-Application
sold	O
at	O
least	O
100,000	O
units	O
in	O
the	O
U.S.	O
,	O
but	O
was	O
beaten	O
by	O
its	O
predecessor	O
's	O
220,000	O
sales	O
in	O
the	O
region	O
.	O
</s>
<s>
Total	O
US	O
sales	O
of	O
Stronghold	B-Application
games	O
released	O
during	O
the	O
2000s	O
reached	O
590,000	O
units	O
by	O
August	O
2006	O
.	O
</s>
