<s>
It	O
is	O
a	O
spin-off	O
of	O
the	O
R-Type	B-Application
series	O
and	O
the	O
last	O
R-Type	B-Application
entry	O
to	O
be	O
released	O
in	O
arcades	O
.	O
</s>
<s>
The	O
game	O
was	O
initially	O
conceived	O
as	O
an	O
original	O
shoot	O
'	O
em	O
up	O
by	O
Nanao	O
before	O
being	O
retooled	O
into	O
an	O
R-Type	B-Application
project	O
by	O
Irem	O
.	O
</s>
<s>
R-Type	B-Application
Leo	I-Application
is	O
a	O
horizontal-scrolling	O
shooter	O
that	O
is	O
part	O
of	O
the	O
R-Type	B-Application
series	O
.	O
</s>
<s>
Leo	O
features	O
multiple	O
deviations	O
from	O
the	O
R-Type	B-Application
gameplay	O
structure	O
.	O
</s>
<s>
R-Type	B-Application
Leo	I-Application
was	O
initially	O
an	O
original	O
shoot	O
'	O
em	O
up	O
game	O
in	O
development	O
by	O
Nanao	O
before	O
Irem	O
retooled	O
it	O
into	O
an	O
R-Type	B-Application
project	O
instead	O
.	O
</s>
<s>
In	O
a	O
2019	O
interview	O
,	O
M2	O
CEO	O
Naoki	O
Horii	O
stated	O
that	O
the	O
company	O
wanted	O
to	O
develop	O
a	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
version	O
of	O
Leo	O
but	O
the	O
plan	O
was	O
rejected	O
by	O
Sega	O
.	O
</s>
<s>
The	O
title	O
was	O
later	O
re-released	O
in	O
2010	O
as	O
part	O
of	O
Dotemu	O
's	O
Irem	O
Arcade	O
Hits	O
compilation	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
R-Type	B-Application
Leo	I-Application
was	O
met	O
with	O
positive	O
reception	O
from	O
reviewers	O
since	O
its	O
release	O
in	O
arcades	O
.	O
</s>
<s>
Retro	O
Gamer	O
regarded	O
it	O
to	O
be	O
an	O
acceptable	O
addition	O
to	O
the	O
R-Type	B-Application
series	O
.	O
</s>
<s>
Kurt	O
Kalata	O
of	O
Hardcore	O
Gaming	O
101	O
praised	O
its	O
visuals	O
and	O
sound	O
design	O
but	O
noted	O
the	O
lack	O
of	O
"	O
careful	O
design	O
and	O
required	O
strategy	O
"	O
from	O
previous	O
R-Type	B-Application
entries	O
.	O
</s>
<s>
Metal	B-Application
Slug	I-Application
co-designer	O
Kazuma	O
Kujo	O
regarded	O
Leo	O
to	O
be	O
"	O
quite	O
innovative	O
for	O
an	O
R-Type	B-Application
game	O
,	O
and	O
it	O
was	O
well	O
done	O
for	O
a	O
shooter	O
,	O
but	O
it	O
does	O
n’t	O
quite	O
feel	O
like	O
an	O
R-Type	B-Application
game	O
"	O
.	O
</s>
