<s>
Fossil	B-Application
Fighters	I-Application
,	O
known	O
as	O
in	O
Japan	O
,	O
is	O
a	O
2008	B-Application
video	O
game	O
developed	O
by	O
Nintendo	O
SPD	O
,	O
Red	O
Entertainment	O
,	O
M2	O
,	O
and	O
Artdink	O
and	O
published	O
by	O
Nintendo	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
Japan	O
on	O
April	O
17	O
,	O
2008	B-Application
and	O
was	O
later	O
released	O
in	O
North	O
America	O
on	O
August	O
10	O
,	O
2009	O
,	O
and	O
in	O
Australia	O
on	O
September	O
17	O
,	O
2009	O
.	O
</s>
<s>
It	O
was	O
released	O
outside	O
Japan	O
originally	O
titled	O
as	O
Super	O
Fossil	B-Application
Fighters	I-Application
,	O
but	O
later	O
changed	O
to	O
Fossil	B-Application
Fighters	I-Application
:	I-Application
Champions	I-Application
,	O
released	O
in	O
North	O
America	O
on	O
November	O
14	O
,	O
2011	O
.	O
</s>
<s>
A	O
Nintendo	B-Operating_System
3DS	I-Operating_System
entry	O
,	O
Fossil	B-Application
Fighters	I-Application
:	I-Application
Frontier	I-Application
,	O
was	O
released	O
in	O
North	O
America	O
in	O
2015	O
,	O
but	O
the	O
game	O
has	O
been	O
available	O
in	O
Japan	O
since	O
February	O
2014	O
.	O
</s>
<s>
The	O
central	O
concept	O
of	O
Fossil	B-Application
Fighters	I-Application
is	O
the	O
revival	O
of	O
prehistoric	O
fossils	O
into	O
supernatural	O
forms	O
known	O
as	O
"	O
vivosaurs	O
"	O
,	O
charged	O
with	O
elemental	O
energy	O
,	O
and	O
the	O
use	O
of	O
these	O
creatures	O
in	O
combat	O
against	O
each	O
other	O
.	O
</s>
<s>
The	O
basic	O
strategy	O
of	O
Fossil	B-Application
Fighters	I-Application
is	O
to	O
use	O
attacks	O
with	O
an	O
Attack	O
Zone	O
vivosaur	O
while	O
Support	O
Zone	O
vivosaurs	O
apply	O
statistical	O
bonuses	O
to	O
the	O
player	O
's	O
Attack	O
Zone	O
or	O
statistical	O
penalties	O
to	O
the	O
enemy	O
's	O
Attack	O
Zone	O
.	O
</s>
<s>
However	O
,	O
Fossil	B-Application
Fighters	I-Application
contains	O
much	O
strategic	O
diversity	O
.	O
</s>
<s>
Fossil	B-Application
Fighters	I-Application
uses	O
a	O
system	O
of	O
elemental	O
balance	O
where	O
each	O
vivosaur	O
has	O
an	O
elemental	O
affinity	O
.	O
</s>
<s>
Names	O
of	O
vivosaurs	O
can	O
come	O
from	O
either	O
the	O
beginning	O
of	O
the	O
creature	O
's	O
name	O
,	O
(	O
Tarbo	O
from	O
Tarbosaurus	O
,	O
Metria	O
from	O
Metriacanthosaurus	O
)	O
in	O
some	O
cases	O
,	O
the	O
end	O
of	O
it	O
,	O
(	O
Venator	O
from	O
Afrovenator	O
)	O
,	O
or	O
in	O
the	O
case	O
of	O
most	O
of	O
the	O
dromaeosaurids	O
and	O
a	O
few	O
others	O
with	O
similar	O
names	O
,	O
have	O
the	O
first	O
letter	O
of	O
their	O
name	O
followed	O
by	O
the	O
similar	O
part	O
of	O
their	O
name	O
(	O
O-Raptor	O
from	O
Oviraptor	O
,	O
F-Raptor	O
from	O
Fukuiraptor	O
,	O
V-Raptor	O
from	O
Velociraptor	B-Device
.	O
)	O
</s>
<s>
He	O
reveals	O
that	O
their	O
plan	O
is	O
to	O
use	O
the	O
Idolcomp	O
to	O
revert	O
all	O
humans	O
on	O
Earth	O
to	O
amoebas	B-Operating_System
and	O
start	O
over	O
,	O
the	O
plan	O
is	O
called	O
Project	O
:	O
Mother	O
Planet	O
.	O
</s>
<s>
The	O
Idolcomp	O
was	O
created	O
to	O
monitor	O
the	O
evolutions	O
and	O
regress	O
humans	O
back	O
to	O
amoebas	B-Operating_System
so	O
they	O
can	O
evolve	O
into	O
Dinaurians	O
,	O
but	O
the	O
Sub-Idolcomps	O
got	O
lost	O
in	O
an	O
accident	O
and	O
ended	O
up	O
on	O
Vivosaur	O
Island	O
.	O
</s>
<s>
The	O
official	O
manga	O
currently	O
has	O
15	O
"	O
episodes	O
"	O
as	O
stated	O
on	O
the	O
Fossil	B-Application
Fighters	I-Application
official	O
website	O
,	O
each	O
of	O
which	O
has	O
16	O
pages	O
.	O
</s>
<s>
Fossil	B-Application
Fighters	I-Application
received	O
a	O
score	O
of	O
32	O
out	O
of	O
40	O
by	O
the	O
Japanese	O
magazine	O
Famitsu	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
2008	B-Application
,	O
Fossil	B-Application
Fighters	I-Application
had	O
sold	O
240,176	O
copies	O
,	O
making	O
it	O
the	O
15th	O
best-selling	O
DS	B-Device
game	O
of	O
the	O
year	O
in	O
the	O
region	O
.	O
</s>
<s>
In	O
America	O
,	O
Fossil	B-Application
Fighters	I-Application
scores	O
averaged	O
between	O
7	O
and	O
8	O
.	O
</s>
