<s>
Millennium	B-Application
2.2	I-Application
is	O
a	O
resource	O
management	O
computer	O
game	O
by	O
Ian	O
Bird	O
,	O
released	O
in	O
1989	O
for	O
Atari	B-Device
ST	I-Device
,	O
Amiga	B-Device
and	O
MS-DOS	B-Application
.	O
</s>
<s>
The	O
MS-DOS	B-Application
version	O
of	O
the	O
game	O
was	O
released	O
as	O
Millennium	B-Application
:	I-Application
Return	I-Application
to	I-Application
Earth	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
forerunner	O
to	O
Bird	O
's	O
Deuteros	B-Application
,	O
which	O
is	O
in	O
a	O
similar	O
resource	O
management	O
game	O
but	O
many	O
times	O
larger	O
and	O
more	O
difficult	O
.	O
</s>
<s>
In	O
the	O
game	O
,	O
humanity	O
has	O
colonized	O
the	O
Moon	O
and	O
Mars	B-Application
.	O
</s>
<s>
All	O
that	O
is	O
left	O
of	O
humanity	O
is	O
a	O
small	O
,	O
self-sufficient	O
colony	O
on	O
the	O
surface	O
of	O
the	O
Moon	O
,	O
and	O
a	O
race	O
of	O
mutant	O
humans	O
on	O
Mars	B-Application
.	O
</s>
<s>
The	O
player	O
eventually	O
must	O
find	O
the	O
necessary	O
technology	O
to	O
attack	O
Mars	B-Application
to	O
make	O
the	O
attacks	O
cease	O
,	O
establish	O
a	O
base	O
there	O
,	O
and	O
while	O
there	O
discover	O
the	O
terraforming	O
technology	O
.	O
</s>
<s>
In	O
the	O
PC	O
version	O
,	O
resources	O
are	O
largely	O
randomized	O
for	O
different	O
planets	O
,	O
as	O
is	O
atmosphere	O
determining	O
if	O
mutations	O
occur	O
,	O
with	O
notable	O
exceptions	O
of	O
Earth	O
,	O
Mars	B-Application
and	O
Moon	O
.	O
</s>
<s>
He	O
gave	O
both	O
the	O
game	O
and	O
its	O
graphics	O
above	O
average	O
ratings	O
of	O
4	O
out	O
of	O
5	O
,	O
saying	O
,	O
"	O
It	O
remains	O
,	O
after	O
Dungeon	B-Device
Master	I-Device
,	O
the	O
best	O
game	O
I	O
've	O
purchased	O
in	O
a	O
long	O
stretch	O
,	O
and	O
I	O
thoroughly	O
recommend	O
it.	O
"	O
</s>
