<s>
Oniken	B-Application
is	O
a	O
side-scrolling	O
action	B-Application
platform	O
video	O
game	O
developed	O
and	O
published	O
by	O
independent	O
Brazilian	O
studio	O
Joymasher	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
OS	B-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
worldwide	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
June	O
21	O
,	O
2012	O
,	O
on	O
OS	B-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
on	O
November	O
20	O
,	O
2012	O
,	O
and	O
on	O
Nintendo	B-Application
Switch	I-Application
on	O
February	O
1	O
,	O
2019	O
as	O
Oniken	B-Application
:	I-Application
Unstoppable	I-Application
Edition	I-Application
.	O
</s>
<s>
In	O
August	O
2012	O
,	O
the	O
developers	O
have	O
announced	O
that	O
the	O
game	O
was	O
accepted	O
on	O
Steam	B-Application
Greenlight	O
.	O
</s>
<s>
The	O
game	O
has	O
an	O
8-bit	O
style	O
and	O
follows	O
a	O
classic	O
slasher	O
gameplay	O
formula	O
similar	O
to	O
Strider	B-Application
,	O
Ninja	B-Application
Gaiden	I-Application
and	O
Shatterhand	B-Application
.	O
</s>
<s>
There	O
are	O
six	O
levels	O
in	O
the	O
game	O
and	O
an	O
extra	O
mission	O
with	O
an	O
additional	O
character	O
in	O
Contra	B-Application
gameplay	O
style	O
after	O
you	O
beat	O
the	O
game	O
.	O
</s>
<s>
Taking	O
place	O
in	O
a	O
post-apocalyptic	O
future	O
,	O
human	O
kind	O
has	O
nearly	O
been	O
completely	O
destroyed	O
by	O
global	B-Device
war	I-Device
.	O
</s>
<s>
Those	O
few	O
humans	O
that	O
have	O
managed	O
to	O
survive	O
are	O
being	O
oppressed	O
by	O
a	O
cybernetic	O
armada	O
known	O
as	O
the	O
Oniken	B-Application
.	O
</s>
<s>
A	O
small	O
resistance	O
led	O
by	O
General	O
Zhukov	O
attempt	O
to	O
defend	O
against	O
the	O
Oniken	B-Application
but	O
are	O
ultimately	O
overwhelmed	O
by	O
their	O
forces	O
.	O
</s>
<s>
Zaku	O
(	O
a	O
legendary	O
ninja	O
mercenary	O
,	O
with	O
an	O
unknown	O
past	O
)	O
who	O
is	O
believed	O
to	O
be	O
the	O
only	O
one	O
capable	O
of	O
stopping	O
the	O
Oniken	B-Application
,	O
is	O
approached	O
by	O
Zhukov	O
and	O
asked	O
to	O
join	O
the	O
resistance	O
movement	O
against	O
the	O
robotic	O
forces	O
,	O
to	O
which	O
Zaku	O
obliges	O
.	O
</s>
<s>
Oniken	B-Application
was	O
developed	O
by	O
the	O
duo	O
consisting	O
of	O
friends	O
Danilo	O
Dias	O
(	O
JoyMasher	O
)	O
and	O
Pedro	O
Paiva	O
(	O
then	O
Arcaica	O
,	O
now	O
Menos	O
Playstation	O
)	O
as	O
a	O
means	O
for	O
them	O
to	O
pay	O
homage	O
to	O
their	O
favorite	O
games	O
from	O
the	O
8-bit	O
era	O
,	O
such	O
as	O
Ninja	B-Application
Gaiden	I-Application
,	O
Contra	B-Application
,	O
Kabuki	B-Application
Quantum	I-Application
Fighter	I-Application
,	O
Shadow	B-Application
of	I-Application
the	I-Application
Ninja	I-Application
and	O
Vice	B-Application
:	I-Application
Project	I-Application
Doom	I-Application
.	O
</s>
<s>
Zaku	O
's	O
character	O
design	O
was	O
highly	O
inspired	O
by	O
that	O
of	O
Kenshiro	O
from	O
Fist	B-Application
of	I-Application
the	I-Application
North	I-Application
Star	I-Application
fame	O
.	O
</s>
<s>
Shortly	O
after	O
release	O
,	O
Oniken	B-Application
was	O
included	O
in	O
the	O
July	O
Jubilee	O
bundle	O
,	O
part	O
of	O
the	O
series	O
of	O
bundles	O
on	O
Indie	O
Royale	O
,	O
a	O
Desura	O
indie	O
bundle	O
service	O
.	O
</s>
