<s>
"	O
GENETOS	B-Application
"	O
is	O
a	O
freeware	B-License
vertical	O
shooter	O
game	O
or	O
"	O
shoot	O
'	O
em	O
up	O
"	O
developed	O
and	O
published	O
by	O
Tatsuya	O
Koyama	O
with	O
an	O
"	O
evolution	O
"	O
theme	O
.	O
</s>
<s>
In	O
GENETOS	B-Application
,	O
the	O
levels	O
represent	O
different	O
generations	O
in	O
the	O
evolution	O
of	O
shooting	O
games	O
.	O
</s>
<s>
The	O
video	O
game	O
was	O
developed	O
entirely	O
by	O
Tatsuya	O
Koyama	O
who	O
provided	O
the	O
graphics	O
,	O
programming	O
and	O
music	O
,	O
creating	O
GENETOS	B-Application
entirely	O
himself	O
.	O
</s>
<s>
GENETOS	B-Application
is	O
free	O
to	O
download	O
from	O
Tatsuya	O
Koyama	O
's	O
personal	O
website	O
,	O
downloadable	O
in	O
either	O
Japanese	O
or	O
English	O
from	O
the	O
corresponding	O
page	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
GENETOS	B-Application
is	O
focused	O
around	O
the	O
evolution	O
of	O
"	O
shmups	O
"	O
or	O
shoot	O
'	O
em	O
ups	O
throughout	O
history	O
.	O
</s>
<s>
The	O
game	O
starts	O
off	O
with	O
simple	O
graphics	O
reminiscent	O
of	O
Space	B-Application
Invaders	I-Application
being	O
a	O
"	O
Gallery	O
Shooter	O
"	O
or	O
"	O
Fixed	O
Shooter	O
"	O
having	O
limited	O
graphics	O
,	O
music	O
,	O
movement	O
and	O
sound	O
effects	O
.	O
</s>
<s>
The	O
fifth	O
level	O
of	O
GENETOS	B-Application
or	O
the	O
"	O
Final	O
Generation	O
"	O
changes	O
largely	O
in	O
tone	O
following	O
a	O
story	O
more	O
so	O
than	O
the	O
levels	O
before	O
.	O
</s>
<s>
the	O
player	O
travels	O
through	O
various	O
stages	O
of	O
evolution	O
such	O
as	O
birth	O
,	O
variation	O
and	O
extinction	O
loosely	O
following	O
the	O
theory	O
of	O
natural	B-Application
selection	I-Application
and	O
Darwin	O
's	O
theory	O
of	O
evolution	O
.	O
</s>
<s>
Scoring	O
in	O
GENETOS	B-Application
is	O
mainly	O
done	O
by	O
picking	O
up	O
point	O
items	O
which	O
are	O
blue	O
rather	O
than	O
regular	O
items	O
being	O
green	O
,	O
in	O
the	O
third	O
level	O
the	O
player	O
can	O
stop	O
shooting	O
to	O
allow	O
powerups	O
and	O
items	O
around	O
to	O
drift	O
towards	O
the	O
ship	O
and	O
further	O
in	O
the	O
game	O
this	O
becomes	O
faster	O
allowing	O
the	O
player	O
to	O
collect	O
items	O
easier	O
.	O
</s>
<s>
Collecting	O
green	O
DNA	O
powerups	O
in	O
GENETOS	B-Application
allows	O
the	O
player	O
to	O
gain	O
the	O
special	O
attacks	O
and	O
bonuses	O
,	O
these	O
are	O
found	O
in	O
various	O
places	O
in	O
the	O
games	O
by	O
defeating	O
enemies	O
.	O
</s>
<s>
The	O
way	O
the	O
player	O
plays	O
through	O
GENETOS	B-Application
affects	O
the	O
special	O
weapons	O
they	O
get	O
,	O
playing	O
in	O
certain	O
ways	O
,	O
dying	O
or	O
staying	O
alive	O
,	O
staying	O
in	O
certain	O
areas	O
of	O
the	O
screen	O
or	O
defeating	O
a	O
boss	O
with	O
a	O
weak	O
ship	O
can	O
unlock	O
these	O
bonus	O
weapons	O
,	O
helping	O
the	O
player	O
throughout	O
the	O
game	O
.	O
</s>
<s>
The	O
difficulty	O
of	O
GENETOS	B-Application
varies	O
depending	O
on	O
the	O
era	O
of	O
game	O
it	O
is	O
portraying	O
itself	O
upon	O
,	O
getting	O
more	O
difficult	O
with	O
each	O
generation	O
ending	O
as	O
a	O
"	O
bullet	O
hell	O
"	O
type	O
of	O
game	O
.	O
</s>
<s>
The	O
soundtrack	O
of	O
GENETOS	B-Application
consists	O
of	O
14	O
tracks	O
used	O
as	O
background	O
music	O
in-game	O
.	O
</s>
<s>
An	O
additional	O
three	O
tracks	O
were	O
included	O
with	O
the	O
full	O
release	O
of	O
GENETOS	B-Application
,	O
being	O
"	O
Origin	O
"	O
,	O
"	O
Answer	O
"	O
and	O
"	O
Rebirth	O
"	O
,	O
as	O
MIDI	O
files	O
.	O
</s>
<s>
The	O
game	O
's	O
soundtrack	O
can	O
be	O
accessed	O
by	O
entering	O
the	O
"	O
Sound	O
test	O
"	O
section	O
in	O
the	O
game	O
menu	O
;	O
Koyama	O
later	O
released	O
the	O
soundtrack	O
onto	O
Booth.fm	O
in	O
2019	O
,	O
with	O
the	O
release	O
featuring	O
a	O
remix	O
of	O
the	O
game	O
's	O
title	O
track	O
,	O
"	O
The	O
Planet	O
GENETOS.	O
"	O
</s>
<s>
The	O
first	O
version	O
of	O
GENETOS	B-Application
,	O
0.50	O
was	O
released	O
on	O
20	O
December	O
2007	O
.	O
</s>
<s>
Version	O
1.0	O
of	O
GENETOS	B-Application
being	O
the	O
completed	O
version	O
was	O
released	O
on	O
24	O
December	O
2009	O
being	O
the	O
first	O
full	O
release	O
of	O
GENETOS	B-Application
and	O
the	O
current	O
version	O
;	O
many	O
features	O
were	O
added	O
such	O
as	O
"	O
history	O
"	O
system	O
which	O
allows	O
the	O
player	O
to	O
complete	O
achievements	O
or	O
collect	O
hidden	O
green	O
DNA	O
powerups	O
in	O
game	O
to	O
obtain	O
special	O
weapons	O
.	O
</s>
<s>
GENETOS	B-Application
has	O
been	O
generally	O
received	O
well	O
,	O
often	O
getting	O
praise	O
for	O
its	O
unique	O
concept	O
and	O
portrayal	O
of	O
the	O
history	O
of	O
shoot	O
'	O
em	O
up	O
games	O
.	O
</s>
