<s>
is	O
a	O
1988	B-Application
video	O
game	O
developed	O
by	O
Game	O
Studio	O
and	O
published	O
by	O
Namco	O
for	O
the	O
Family	O
Computer	O
.	O
</s>
<s>
It	O
is	O
the	O
third	O
game	O
in	O
Babylonian	B-Application
Castle	I-Application
Saga	I-Application
series	O
which	O
started	O
with	O
the	O
1984	B-Application
arcade	O
game	O
,	O
The	B-Application
Tower	I-Application
of	I-Application
Druaga	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
to	O
the	O
Nintendo	O
Switch	O
in	O
the	O
Japanese	O
game	O
compilation	O
Namcot	B-Application
Collection	I-Application
in	O
August	O
2020	O
,	O
as	O
DLC	B-Protocol
.	O
</s>
<s>
The	O
story	O
of	O
The	B-Application
Quest	I-Application
of	I-Application
Ki	I-Application
acts	O
as	O
a	O
prequel	B-Application
to	O
The	B-Application
Tower	I-Application
of	I-Application
Druaga	I-Application
.	O
</s>
<s>
It	O
occurs	O
shortly	O
after	O
the	O
demon	O
Druaga	B-Application
has	O
stolen	O
the	O
Blue	B-Application
Crystal	I-Application
Rod	I-Application
and	O
taken	O
to	O
a	O
tower	O
originally	O
built	O
by	O
the	O
Sumer	O
Empire	O
,	O
in	O
which	O
the	O
god	O
Anu	O
had	O
destroyed	O
.	O
</s>
<s>
The	O
goddess	O
Ishtar	O
gives	O
the	O
priestess	O
Ki	O
a	O
golden	O
tiara	O
that	O
enables	O
the	O
power	O
of	O
flight	O
,	O
and	O
sends	O
her	O
to	O
the	O
tower	O
in	O
order	O
to	O
retrieve	O
The	O
Blue	B-Application
Crystal	I-Application
Rod	I-Application
.	O
</s>
<s>
Upon	O
reaching	O
the	O
60th	O
floor	O
,	O
Ki	O
reaches	O
the	O
Blue	B-Application
Crystal	I-Application
Rod	I-Application
,	O
but	O
Druaga	B-Application
splits	O
the	O
rod	O
into	O
three	O
pieces	O
and	O
transforms	O
Ki	O
into	O
stone	O
,	O
leading	O
up	O
to	O
the	O
events	O
of	O
The	B-Application
Tower	I-Application
of	I-Application
Druaga	I-Application
.	O
</s>
<s>
These	O
stages	O
contain	O
cameos	O
from	O
the	O
Pac-Man	B-Application
ghosts	O
and	O
the	O
enemies	O
from	O
Dig	B-Application
Dug	I-Application
.	O
</s>
