<s>
is	O
a	O
1989	O
vertically	O
scrolling	O
shooter	O
video	O
game	O
developed	O
and	O
originally	O
published	O
by	O
T&E	O
Soft	O
for	O
the	O
MSX2	B-Operating_System
and	O
MSX2+	B-Operating_System
home	O
computers	O
.	O
</s>
<s>
It	O
was	O
later	O
ported	O
to	O
the	O
X68000	B-Device
computer	O
and	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
,	O
published	O
by	O
Palsoft	O
,	O
followed	O
by	O
digital	O
re-releases	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Both	O
the	O
MSX2	B-Operating_System
and	O
X68000	B-Device
versions	O
also	O
received	O
physical	O
re-releases	O
by	O
Japanese	O
retailer	O
BEEP	O
.	O
</s>
<s>
Undead	B-Application
Line	I-Application
was	O
directed	O
and	O
designed	O
by	O
Tokihiro	O
Naito	O
,	O
who	O
previously	O
worked	O
on	O
Hydlide	B-Application
and	O
Hydlide	B-Application
3	I-Application
,	O
with	O
Tetsuya	O
"	O
Futaro	O
"	O
Yamamoto	O
serving	O
as	O
main	O
programmer	O
.	O
</s>
<s>
Because	O
of	O
its	O
rarity	O
,	O
original	O
copies	O
of	O
the	O
MSX2	B-Operating_System
version	O
commands	O
high	O
prices	O
on	O
the	O
secondary	O
game	O
collecting	O
market	O
.	O
</s>
<s>
Undead	B-Application
Line	I-Application
is	O
a	O
vertical-scrolling	O
shoot	O
'	O
em	O
up	O
game	O
with	O
role-playing	O
elements	O
,	O
that	O
plays	O
from	O
a	O
top-down	O
perspective	O
.	O
</s>
<s>
In	O
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
version	O
,	O
they	O
can	O
be	O
cycled	O
through	O
other	O
weapons	O
and	O
power-ups	O
by	O
firing	O
at	O
them	O
.	O
</s>
<s>
The	O
game	B-Application
is	I-Application
over	I-Application
once	O
all	O
lives	O
are	O
lost	O
.	O
</s>
<s>
Undead	B-Application
Line	I-Application
was	O
developed	O
by	O
T&E	O
Soft	O
,	O
best	O
known	O
for	O
the	O
Hydlide	B-Application
series	O
.	O
</s>
<s>
It	O
was	O
directed	O
and	O
designed	O
by	O
Tokihiro	O
Naito	O
,	O
who	O
previously	O
worked	O
on	O
Hydlide	B-Application
and	O
Hydlide	B-Application
3	I-Application
,	O
under	O
supervision	O
of	O
Eiji	O
Yokoyama	O
and	O
Toshiro	O
Yokoyama	O
.	O
</s>
<s>
Undead	B-Application
Line	I-Application
was	O
first	O
published	O
for	O
the	O
MSX2	B-Operating_System
and	O
MSX2+	B-Operating_System
in	O
Japan	O
on	O
July	O
22	O
,	O
1989	O
by	O
T&E	O
Soft	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
ported	O
to	O
the	O
X68000	B-Device
on	O
September	O
14	O
,	O
1990	O
,	O
featuring	O
improved	O
visuals	O
and	O
audio	O
,	O
as	O
well	O
as	O
two	O
additional	O
stages	O
.	O
</s>
<s>
It	O
was	O
also	O
ported	O
to	O
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
,	O
published	O
by	O
Palsoft	O
on	O
December	O
20	O
,	O
1991	O
.	O
</s>
<s>
Each	O
version	O
was	O
re-released	O
in	O
digital	O
form	O
for	O
Microsoft	B-Application
Windows	I-Application
through	O
D4	O
Enterprise	O
's	O
Project	O
EGG	O
service	O
.	O
</s>
<s>
In	O
2020	O
,	O
both	O
the	O
MSX2	B-Operating_System
and	O
X68000	B-Device
versions	O
received	O
physical	O
re-releases	O
by	O
Japanese	O
retailer	O
BEEP	O
as	O
part	O
of	O
their	O
"	O
BEEP	O
Extra	O
Games	O
"	O
lineup	O
,	O
intended	O
for	O
reprinting	O
games	O
on	O
their	O
initial	O
platforms	O
,	O
as	O
original	O
copies	O
of	O
the	O
MSX2	B-Operating_System
version	O
commands	O
high	O
prices	O
on	O
the	O
secondary	O
game	O
collecting	O
market	O
due	O
to	O
its	O
rarity	O
.	O
</s>
<s>
Undead	B-Application
Line	I-Application
received	O
generally	O
favourable	O
reception	O
from	O
critics	O
,	O
most	O
of	O
which	O
reviewed	O
it	O
as	O
an	O
import	O
title	O
.	O
</s>
<s>
The	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
version	O
received	O
scores	O
of	O
18.08	O
out	O
of	O
30	O
and	O
6.6428	O
out	O
of	O
10	O
in	O
public	O
polls	O
taken	O
by	O
Mega	B-Operating_System
Drive	I-Operating_System
Fan	O
and	O
the	O
Japanese	O
Sega	O
Saturn	O
Magazine	O
respectively	O
.	O
</s>
<s>
The	O
Japanese	O
MSX	B-Operating_System
Magazine	O
echoed	O
similar	O
sentiments	O
but	O
also	O
noted	O
the	O
ability	O
to	O
choose	O
between	O
characters	O
,	O
commending	O
its	O
playability	O
,	O
visuals	O
,	O
and	O
scenario	O
.	O
</s>
<s>
MSX	B-Operating_System
Clubs	O
Pere	O
Baño	O
praised	O
the	O
colorful	O
graphics	O
,	O
addictive	O
fast-pacing	O
,	O
sound	O
,	O
presentation	O
,	O
and	O
originality	O
.	O
</s>
<s>
An	O
editor	O
for	O
MSX	B-Operating_System
Gids	O
lauded	O
its	O
audiovisual	O
presentation	O
and	O
quality	O
,	O
comparing	O
it	O
favourably	O
with	O
Knightmare	B-Application
(	O
1986	O
)	O
.	O
</s>
<s>
Oh	O
!	O
Xs	O
Hiroaki	O
Kageyama	O
commended	O
the	O
X68000	B-Device
port	O
for	O
taking	O
advantage	O
of	O
the	O
system	O
's	O
hardware	O
and	O
the	O
addition	O
of	O
extra	O
stages	O
.	O
</s>
<s>
Games-X	O
reviewed	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
version	O
,	O
commending	O
its	O
presentation	O
for	O
the	O
detailed	O
backgrounds	O
,	O
enemy	O
animations	O
,	O
and	O
atmosphere	O
.	O
</s>
<s>
Console	O
XS	O
gave	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
port	O
high	O
marks	O
for	O
its	O
visuals	O
,	O
sound	O
,	O
gameplay	O
,	O
and	O
challenge	O
.	O
</s>
