<s>
is	O
a	O
horizontally	O
scrolling	O
shooter	O
released	O
for	O
the	O
TurboGrafx-16	B-General_Concept
.	O
</s>
<s>
It	O
was	O
re-released	O
for	O
the	B-Operating_System
Wii	I-Operating_System
Virtual	B-Application
Console	I-Application
in	O
2007	O
by	O
Natsume	O
.	O
</s>
<s>
Dead	B-Application
Moon	I-Application
features	O
similar	O
gameplay	O
to	O
other	O
horizontally	O
scrolling	O
shoot	O
'	O
em	O
ups	O
of	O
the	O
era	O
like	O
Gradius	B-Application
and	O
Darius	B-Application
,	O
with	O
enemies	O
attacking	O
the	O
player	O
's	O
ship	O
in	O
sweeping	O
patterns	O
and	O
weapon	O
power-ups	O
that	O
double	O
as	O
one-time	O
shields	O
.	O
</s>
