<s>
is	O
a	O
1990	O
shoot	O
'	O
em	O
up	O
video	O
game	O
developed	O
and	O
published	O
by	O
Konami	O
for	O
the	O
Game	B-Device
Boy	I-Device
.	O
</s>
<s>
It	O
is	O
part	O
of	O
the	O
Gradius	B-Application
series	O
.	O
</s>
<s>
Similar	O
to	O
Taito	O
's	O
Sagaia	O
,	O
this	O
game	O
uses	O
a	O
once-international	O
title	O
for	O
an	B-Application
earlier	I-Application
game	I-Application
in	I-Application
the	I-Application
series	I-Application
to	O
represent	O
a	O
mostly	O
original	O
project	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Nemesis	B-Application
II	I-Application
,	O
was	O
released	O
for	O
the	O
same	O
platform	O
in	O
1991	O
.	O
</s>
<s>
Both	O
games	O
were	O
later	O
rereleased	O
through	O
the	O
Konami	O
GB	O
Collection	O
series	O
,	O
where	O
they	O
are	O
titled	O
Gradius	B-Application
and	O
Gradius	B-Application
II	O
instead	O
.	O
</s>
<s>
Nemesis	B-Application
retains	O
the	O
basic	O
power-up	O
meter	O
commonly	O
used	O
in	O
most	O
Gradius	B-Application
games	O
,	O
but	O
with	O
the	O
addition	O
of	O
multi-level	O
missiles	O
not	O
present	O
in	O
the	O
original	O
Gradius	B-Application
.	O
</s>
<s>
Like	O
other	O
Game	B-Device
Boy	I-Device
titles	O
developed	O
by	O
Konami	O
,	O
the	O
game	O
presents	O
the	O
player	O
with	O
a	O
stage	O
selection	O
screen	O
before	O
starting	O
.	O
</s>
