<s>
is	O
a	O
1992	O
action-adventure	O
game	O
developed	O
and	O
published	O
by	O
Sega	O
for	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
Critics	O
compared	O
it	O
to	O
Nintendo	O
's	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
series	O
.	O
</s>
<s>
The	O
player	O
controls	O
the	O
role	O
of	O
young	O
fighter	B-Application
.	O
</s>
<s>
After	O
becoming	O
a	O
skilled	O
swordsman	O
,	O
the	O
hero	O
is	O
sent	O
to	O
the	O
South	O
Cave	O
to	O
dispatch	O
some	O
terrible	O
monsters	B-Application
.	O
</s>
<s>
Even	O
more	O
fearsome	O
monsters	B-Application
are	O
confronted	O
in	O
every	O
new	O
place	O
until	O
he	O
finally	O
challenges	O
the	O
bad	O
guy	O
who	O
controls	O
all	O
the	O
evil	O
in	O
the	O
world	O
.	O
</s>
<s>
Weapons	O
are	O
equipped	O
and	O
used	O
on	O
monsters	B-Application
in	O
real	O
time	O
.	O
</s>
