<s>
Odell	B-Application
Down	I-Application
Under	I-Application
is	O
a	O
1994	O
game	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Classic	B-Application
Mac	I-Application
OS	I-Application
that	O
takes	O
place	O
in	O
the	O
Great	O
Barrier	O
Reef	O
of	O
Australia	O
.	O
</s>
<s>
Released	O
by	O
MECC	O
,	O
it	O
is	O
the	O
sequel	O
to	O
Odell	B-Application
Lake	I-Application
.	O
</s>
<s>
Odell	B-Application
Down	I-Application
Under	I-Application
was	O
released	O
alongside	O
a	O
re-release	O
of	O
its	O
companion	O
game	O
,	O
Odell	B-Application
Lake	I-Application
.	O
</s>
<s>
The	O
player	O
takes	O
on	O
the	O
role	O
of	O
a	O
fish	O
who	O
in	O
turn	O
must	O
eat	O
,	O
stay	O
clean	O
and	O
avoid	O
being	O
eaten	O
by	O
predators	B-Application
to	O
survive	O
.	O
</s>
<s>
The	O
other	O
main	O
concern	O
,	O
besides	O
avoiding	O
predators	B-Application
,	O
is	O
health	O
,	O
which	O
can	O
only	O
be	O
repaired	O
by	O
finding	O
a	O
bluestreak	O
cleaner	O
wrasse	O
while	O
playing	O
as	O
a	O
diurnal	O
fish	O
,	O
or	O
a	O
banded	O
coral	O
shrimp	O
while	O
playing	O
as	O
a	O
nocturnal	O
fish	O
,	O
and	O
moving	O
next	O
to	O
it	O
.	O
</s>
