<s>
The	O
first	O
two	O
installments	O
were	O
released	O
on	O
the	O
Family	B-Device
Computer	I-Device
Disk	I-Device
System	I-Device
by	O
Square	O
's	O
label	O
DOG	O
;	O
the	O
third	O
one	O
was	O
released	O
on	O
the	O
regular	O
Family	O
Computer	O
by	O
Square	O
directly	O
and	O
the	O
final	O
one	O
by	O
Asmik	O
.	O
</s>
<s>
is	O
a	O
"	O
dungeon	O
crawler	O
"	O
presented	O
in	O
a	O
first	O
person	O
perspective	O
,	O
similar	O
to	O
Wizardry	B-Device
.	O
</s>
<s>
The	O
game	O
was	O
released	O
exclusively	O
in	O
Japan	O
,	O
but	O
on	O
April	O
15	O
,	O
2006	O
,	O
Deep	B-Application
Dungeon	I-Application
was	O
unofficially	O
translated	O
into	O
English	O
.	O
</s>
<s>
,	O
also	O
called	O
Deep	B-Application
Dungeon	I-Application
II	I-Application
:	O
Yūshi	O
no	O
Monshō	O
,	O
is	O
the	O
second	O
installment	O
of	O
the	O
Deep	B-Application
Dungeon	I-Application
series	O
.	O
</s>
<s>
is	O
the	O
third	O
installment	O
in	O
the	O
Deep	B-Application
Dungeon	I-Application
series	O
and	O
the	O
first	O
to	O
be	O
released	O
on	O
the	O
Famicom	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
Deep	B-Application
Dungeon	I-Application
title	O
to	O
offer	O
the	O
player	O
a	O
world	O
to	O
explore	O
spanning	O
multiple	O
dungeons	O
and	O
multiple	O
towns	O
.	O
</s>
<s>
is	O
the	O
fourth	O
and	O
final	O
installment	O
in	O
the	O
Deep	B-Application
Dungeon	I-Application
series	O
.	O
</s>
