<s>
Falcon	B-Application
4.0	I-Application
:	I-Application
Allied	I-Application
Force	I-Application
(	O
F4AF	B-Application
)	O
is	O
an	O
F-16	O
based	O
combat	O
flight	O
simulator	O
released	O
by	O
Lead	O
Pursuit	O
in	O
2005	O
.	O
</s>
<s>
The	O
game	O
engine	O
is	O
based	O
on	O
the	O
source	O
code	O
of	O
the	O
original	O
1998	O
Falcon	B-Application
4.0	I-Application
from	O
MicroProse	O
,	O
and	O
consists	O
largely	O
of	O
a	O
collection	O
of	O
improvements	O
from	O
the	O
official	O
patches	O
and	O
extensive	O
Falcon	O
modding	B-Device
community	O
.	O
</s>
<s>
Falcon	B-Application
4.0	I-Application
:	I-Application
Allied	I-Application
Force	I-Application
is	O
a	O
detailed	O
simulation	O
;	O
like	O
other	O
simulations	O
,	O
it	O
may	O
take	O
the	O
user	O
some	O
time	O
to	O
become	O
proficient	O
and	O
familiar	O
with	O
all	O
of	O
its	O
features	O
.	O
</s>
<s>
Falcon	B-Application
4.0	I-Application
:	I-Application
Allied	I-Application
Force	I-Application
has	O
a	O
dynamic	O
and	O
customizable	O
campaign	O
.	O
</s>
<s>
Although	O
the	O
release	O
of	O
Falcon	B-Application
4.0	I-Application
:	I-Application
Allied	I-Application
Force	I-Application
was	O
meant	O
to	O
raise	O
funds	O
for	O
a	O
new	O
version	O
,	O
dubbed	O
"	O
Falcon	O
5	O
"	O
to	O
be	O
developed	O
,	O
nothing	O
eventuated	O
from	O
it	O
.	O
</s>
<s>
Further	O
development	O
on	O
the	O
original	O
Falcon	B-Application
4.0	I-Application
source	O
code	O
has	O
continued	O
under	O
two	O
development	O
communities	O
:	O
FreeFalcon	O
and	O
Benchmark	O
Sims	O
(	O
BMS	O
)	O
.	O
</s>
<s>
Allied	O
Force	O
was	O
a	O
finalist	O
for	O
PC	O
Gamers	O
"	O
Best	O
Simulation	O
2005	O
"	O
award	O
,	O
which	O
ultimately	O
went	O
to	O
Silent	B-Application
Hunter	I-Application
III	I-Application
.	O
</s>
