<s>
Alien	B-Application
Legacy	I-Application
is	O
a	O
sci-fi	O
strategy	B-Application
game	I-Application
developed	O
by	O
Ybarra	O
Productions	O
and	O
published	O
by	O
Sierra	O
On-Line	O
in	O
1994	B-Application
for	O
MS-DOS	B-Application
.	O
</s>
<s>
Several	O
advisors	O
guide	O
the	O
player	O
through	O
the	O
plot	O
and	O
a	O
PDA	B-Application
reminds	O
the	O
player	O
of	O
important	O
tasks	O
as	O
objectives	O
,	O
revealed	O
as	O
the	O
scenario	O
progresses	O
.	O
</s>
<s>
For	O
example	O
,	O
at	O
the	O
beginning	O
of	O
the	O
game	O
,	O
if	O
the	O
player	O
fails	O
to	O
form	O
a	O
self-sufficient	O
colony	O
on	O
Gaea	B-Application
,	O
(	O
a	O
colony	O
with	O
at	O
least	O
one	O
habitat	O
,	O
power	O
plant	O
and	O
factory	O
)	O
the	O
science	O
advisor	O
(	O
also	O
the	O
mission	O
's	O
executive	O
officer	O
)	O
will	O
kill	O
the	O
player	O
for	O
incompetence	O
and	O
take	O
over	O
the	O
command	O
.	O
</s>
<s>
Gaea	B-Application
(	O
Earth-like	O
Planet	O
)	O
;	O
the	O
Calypso	O
starts	O
the	O
game	O
orbiting	O
Gaea	B-Application
.	O
</s>
<s>
Cronus	O
(	O
Gas	O
Giant	O
)	O
;	O
analogous	O
to	O
Saturn	B-Device
but	O
has	O
no	O
rings	O
or	O
moons	O
.	O
</s>
<s>
But	O
while	O
our	O
system	O
uses	O
the	O
names	O
of	O
Roman	O
deities	O
(	O
except	O
for	O
Uranus	O
)	O
,	O
Caeli	O
has	O
Greek	O
ones	O
;	O
Gaea	B-Application
is	O
the	O
Greek	O
goddess	O
of	O
the	O
Earth	O
,	O
and	O
Rhea	O
is	O
her	O
daughter	O
.	O
</s>
<s>
(	O
Zeus	B-Application
and	O
Poseidon	B-Application
are	O
still	O
acceptable	O
sources	O
of	O
energy	O
.	O
)	O
</s>
<s>
Game	O
journalist	O
Niko	O
Nirvi	O
awarded	O
Alien	B-Application
Legacy	I-Application
a	O
score	O
of	O
82%	O
in	O
Pelit	O
magazine	O
.	O
</s>
<s>
Conversely	O
,	O
he	O
found	O
the	O
strategy	O
side	O
lacking	O
:	O
the	O
advisors	O
"	O
warmly	O
hold	O
the	O
player	O
's	O
hand	O
as	O
they	O
guide	O
him	O
through	O
Alien	B-Application
Legacy	I-Application
,	O
leaving	O
the	O
player	O
balancing	O
the	O
colonies	O
instead	O
of	O
using	O
wits	O
.	O
</s>
