<s>
The	O
player	O
controls	O
a	O
yellow	O
armadillo	B-Application
with	O
a	O
red	O
hat	O
named	O
Billy	O
the	O
Shell	O
.	O
</s>
<s>
Between	O
levels	O
,	O
the	O
player	O
moves	O
around	O
on	O
a	O
map	O
screen	O
,	O
similar	O
to	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
3	I-Application
.	O
</s>
<s>
There	O
were	O
plans	O
for	O
Armadillo	B-Application
to	O
be	O
released	O
in	O
North	O
America	O
,	O
as	O
well	O
as	O
a	O
sequel	O
,	O
but	O
both	O
were	O
cancelled	O
.	O
</s>
<s>
A	O
sequel	O
called	O
Armadillo	B-Application
Gaiden	O
was	O
also	O
in	O
the	O
making	O
for	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
,	O
however	O
it	O
instead	O
got	O
relicensed	O
and	O
sold	O
as	O
Ultraman	O
Ball	O
.	O
</s>
<s>
Among	O
some	O
NES	O
enthusiasts	O
familiar	O
with	O
unlicensed	O
bootleg	O
game	O
cartridges	O
,	O
this	O
game	O
is	O
also	O
known	O
as	O
Super	B-Application
Mario	I-Application
IV	I-Application
,	O
in	O
which	O
the	O
armadillo	B-Application
's	O
character	O
sprites	O
have	O
been	O
edited	O
to	O
look	O
like	O
Super	B-Application
Mario	I-Application
.	O
</s>
