<s>
UFO	B-Application
:	I-Application
Extraterrestrials	I-Application
is	O
a	O
Microsoft	B-Application
Windows	I-Application
game	O
aimed	O
to	O
be	O
a	O
spiritual	O
sequel	O
to	O
the	O
highly	O
acclaimed	O
X-COM	B-Application
:	I-Application
UFO	I-Application
Defense	I-Application
.	O
</s>
<s>
Developed	O
by	O
Chaos	B-Application
Concept	I-Application
,	O
the	O
game	O
incorporates	O
a	O
twist	O
of	O
the	O
aliens	O
defeating	O
the	O
humans	O
on	O
Earth	O
.	O
</s>
<s>
Gameplay	O
in	O
UFO	B-Application
:	I-Application
Extraterrestrials	I-Application
is	O
similar	O
to	O
the	O
original	O
X-COM	B-Application
games	O
.	O
</s>
<s>
When	O
a	O
UFO	B-Application
is	O
spotted	O
on	O
the	O
global	O
view	O
(	O
or	O
"	O
geoscape	O
"	O
)	O
the	O
player	O
must	O
send	O
interceptors	O
to	O
shoot	O
it	O
down	O
.	O
</s>
<s>
Once	O
the	O
UFO	B-Application
has	O
been	O
shot	O
down	O
the	O
player	O
can	O
send	O
in	O
a	O
transport	O
of	O
soldiers	O
to	O
carry	O
out	O
a	O
tactical	O
mission	O
to	O
neutralize	O
the	O
aliens	O
and	O
capture	O
their	O
equipment	O
.	O
</s>
<s>
Aliens	O
can	O
attack	O
the	O
player	O
's	O
base	O
with	O
UFOs	B-Application
,	O
in	O
which	O
case	O
it	O
is	O
a	O
fight	O
between	O
your	O
SAM	O
sites	O
and	O
the	O
UFO	B-Application
;	O
if	O
the	O
SAM	O
sites	O
are	O
destroyed	O
,	O
a	O
tactical	O
mission	O
within	O
your	O
base	O
will	O
take	O
place	O
(	O
or	O
aliens	O
will	O
take	O
it	O
over	O
in	O
which	O
case	O
the	O
player	O
needs	O
to	O
send	O
a	O
transport	O
ship	O
)	O
.	O
</s>
<s>
The	O
August	O
2008	O
edition	O
of	O
Pelit	O
featured	O
a	O
retrospective	O
of	O
UFO	B-Application
:	I-Application
Extraterrestrials	I-Application
that	O
focused	O
on	O
the	O
effects	O
mods	O
have	O
had	O
on	O
the	O
game	O
.	O
</s>
<s>
Long-time	O
reviewer	O
Niko	O
Nirvi	O
,	O
a	O
strong	O
admirer	O
of	O
the	O
original	O
X-COM	B-Application
:	I-Application
UFO	I-Application
Defense	I-Application
,	O
described	O
the	O
original	O
UFO	B-Application
:	I-Application
Extraterrestrials	I-Application
as	O
a	O
pleasant	O
but	O
visibly	O
rushed	O
substitute	O
.	O
</s>
<s>
He	O
focused	O
on	O
"	O
Bman	O
's	O
Ease	O
of	O
Use	O
Mod	O
4.07	O
(	O
fixed	O
by	O
Coasty	O
)	O
"	O
as	O
the	O
prevailing	O
merger	O
of	O
minor	O
modifications	O
,	O
and	O
pronounced	O
it	O
"	O
the	O
true	O
successor	O
of	O
X-COM	B-Application
:	I-Application
UFO	I-Application
Defense	I-Application
"	O
that	O
"	O
genuinely	O
achieves	O
some	O
of	O
its	O
predecessor	O
's	O
magic.	O
"	O
</s>
<s>
According	O
to	O
the	O
magazine	O
,	O
the	O
more	O
visible	O
features	O
of	O
Bman	O
's	O
mod	O
are	O
added	O
weaponry	O
,	O
incorporation	O
of	O
the	O
original	O
UFO	B-Application
Defense	I-Application
enemies	O
(	O
although	O
graphically	O
by	O
copying	O
and	O
enlarging	O
the	O
older	O
game	O
's	O
sprites	O
)	O
,	O
improving	O
AI	O
and	O
rebalancing	O
the	O
game	O
mechanics	O
by	O
changing	O
them	O
towards	O
those	O
of	O
UFO	B-Application
Defense	I-Application
.	O
</s>
<s>
In	O
September	O
2009	O
,	O
Chaos	B-Application
Concept	I-Application
unveiled	O
a	O
new	O
website	O
announcing	O
a	O
prequel	O
,	O
UFO2Extraterrestrials	B-Application
:	I-Application
Shadows	I-Application
over	I-Application
Earth	I-Application
,	O
which	O
has	O
been	O
in	O
development	O
since	O
early	O
2009	O
.	O
</s>
<s>
Some	O
of	O
the	O
announced	O
improvements	O
to	O
the	O
game	O
include	O
dynamic	O
lighting	O
(	O
night	O
missions	O
complete	O
with	O
the	O
need	O
for	O
light	O
sources	O
)	O
,	O
and	O
naval	O
forces	O
in	O
the	O
geoscape	O
phase	O
of	O
the	O
game	O
(	O
such	O
as	O
heavy	O
aircraft	O
carrier/cruisers	O
that	O
can	O
launch	O
fighters	O
and	O
defenses	O
against	O
UFOs	B-Application
)	O
.	O
</s>
<s>
After	O
many	O
failed	O
release	O
date	O
attempts	O
,	O
Chaos	B-Application
Concept	I-Application
decided	O
to	O
withdraw	O
a	O
release	O
date	O
from	O
the	O
game	O
's	O
completely	O
,	O
but	O
have	O
since	O
changed	O
announced	O
a	O
new	O
released	O
date	O
of	O
Q4	O
2013	O
and	O
the	O
game	O
was	O
re-titled	O
as	O
UFO2Extraterrestrials	O
:	O
Battle	O
for	O
Mercury	O
.	O
</s>
