<s>
Atlantis	B-Application
Underwater	I-Application
Tycoon	I-Application
is	O
an	O
underwater	O
city-building	B-Application
simulation	I-Application
game	I-Application
in	O
which	O
the	O
player	O
acts	O
as	O
a	O
tycoon	O
to	O
simulate	O
the	O
real-time	O
design	O
and	O
management	O
of	O
an	O
underwater	O
civilization	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
American	O
studio	O
Anarchy	O
Enterprises	O
and	O
published	O
by	O
Activision	O
Value	O
,	O
and	O
released	O
on	O
March	O
21	O
,	O
2003	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Atlantis	B-Application
Underwater	I-Application
Tycoon	I-Application
was	O
the	O
first	O
building	O
sim	O
to	O
be	O
set	O
underwater	O
.	O
</s>
<s>
In	O
Atlantis	B-Application
Underwater	I-Application
Tycoon	I-Application
,	O
the	O
player	O
can	O
choose	O
to	O
play	O
in	O
missions	O
or	O
in	O
a	O
sandbox-environment	O
map	O
to	O
start	O
building	O
their	O
underwater	O
colony	O
.	O
</s>
<s>
The	O
player	O
can	O
also	O
breed	O
new	O
wildlife	O
to	O
live	O
in	O
the	O
city	O
's	O
waters	O
,	O
such	O
as	O
dolphins	B-Application
or	O
sharks	B-Algorithm
,	O
as	O
well	O
as	O
create	O
underwater	O
vehicles	O
to	O
roam	O
around	O
the	O
city	O
.	O
</s>
<s>
In	O
addition	O
to	O
having	O
to	O
manage	O
the	O
economic	O
aspects	O
of	O
the	O
game	O
,	O
the	O
player	O
must	O
also	O
contend	O
with	O
attacks	O
from	O
enemy	O
pirates	B-Application
and	O
from	O
enemy	O
Atlanteans	O
,	O
as	O
well	O
as	O
deal	O
with	O
underwater	O
natural	O
disasters	O
.	O
</s>
<s>
Atlantis	B-Application
Underwater	I-Application
Tycoon	I-Application
has	O
been	O
praised	O
for	O
its	O
well-done	O
visuals	O
and	O
its	O
snappy	O
underwater	O
music	O
track	O
.	O
</s>
