<s>
is	O
a	O
video	O
game	O
in	O
the	O
Mario	B-Application
Tennis	I-Application
series	O
developed	O
by	O
Camelot	O
Software	O
Planning	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Wii	B-Device
U	I-Device
,	O
released	O
internationally	O
in	O
November	O
2015	O
,	O
and	O
released	O
in	O
Japan	O
in	O
January	O
2016	O
.	O
</s>
<s>
The	O
game	O
supports	O
amiibo	B-Device
functionality	O
,	O
where	O
the	O
player	O
can	O
train	O
the	O
character	O
through	O
artificial	B-Application
intelligence	I-Application
to	O
compete	O
in	O
matches	O
similarly	O
to	O
the	O
player	O
.	O
</s>
<s>
The	O
trained	O
amiibo	B-Device
can	O
compete	O
as	O
an	O
additional	O
competitor	O
in	O
online	O
matches	O
.	O
</s>
<s>
Camelot	O
Software	O
Planning	O
,	O
the	O
creators	O
of	O
previous	O
Mario	B-Application
Tennis	I-Application
games	O
,	O
developed	O
Ultra	O
Smash	O
.	O
</s>
<s>
According	O
to	O
the	O
director	O
,	O
Shugo	O
Takahashi	O
,	O
the	O
developers	O
aimed	O
to	O
create	O
a	O
game	O
that	O
was	O
generally	O
simple	O
enough	O
to	O
"	O
give	O
anyone	O
the	O
taste	O
of	O
how	O
tennis	O
is	O
interesting	O
"	O
;	O
they	O
compared	O
their	O
concept	O
to	O
Mario	B-Application
Tennis	I-Application
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
The	O
idea	O
was	O
implemented	O
so	O
players	O
could	O
have	O
"	O
Mario-ish	O
features	O
while	O
playing	O
tennis	O
"	O
.	O
</s>
<s>
Takahashi	O
stated	O
that	O
there	O
was	O
constant	O
trial	O
and	O
error	O
creating	O
larger	O
scale	O
models	O
,	O
such	O
as	O
being	O
able	O
to	O
see	O
the	O
ball	O
and	O
creating	O
a	O
proper	O
hitbox	B-Protocol
.	O
</s>
<s>
Halfway	O
through	O
development	O
,	O
Nintendo	O
wanted	O
the	O
game	O
to	O
have	O
amiibo	B-Device
functionality	O
.	O
</s>
<s>
They	O
conceptualized	O
the	O
concept	O
of	O
training	O
a	O
character	O
to	O
play	O
like	O
the	O
player	O
,	O
similar	O
to	O
Super	B-Application
Smash	I-Application
Bros	I-Application
.	I-Application
for	I-Application
Nintendo	I-Application
3DS	I-Application
and	I-Application
Wii	I-Application
U	I-Application
.	O
Camelot	O
proceeded	O
with	O
the	O
idea	O
,	O
due	O
to	O
the	O
company	O
being	O
familiar	O
with	O
the	O
role-playing	O
game	O
genre	O
,	O
having	O
developed	O
games	O
of	O
the	O
genre	O
in	O
the	O
past	O
.	O
</s>
<s>
They	O
considered	O
Mario	B-Application
to	O
be	O
the	O
most	O
difficult	O
to	O
compare	O
and	O
balance	O
,	O
due	O
to	O
him	O
being	O
the	O
"	O
starter	O
character	O
"	O
that	O
could	O
not	O
be	O
too	O
strong	O
or	O
too	O
weak	O
.	O
</s>
<s>
Ultra	O
Smash	O
received	O
"	O
mixed	O
"	O
reviews	O
,	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
IGN	O
's	O
Marty	O
Sliva	O
gave	O
the	O
game	O
4.8	O
out	O
of	O
10	O
,	O
calling	O
it	O
"	O
a	O
bare-bones	O
,	O
lackluster	O
addition	O
to	O
Mario	B-Application
's	O
sporting	O
adventures	O
"	O
.	O
</s>
<s>
He	O
also	O
compared	O
it	O
unfavorably	O
to	O
its	O
predecessors	O
by	O
stating	O
"	O
that	O
Mario	B-Application
Power	I-Application
Tennis	I-Application
on	O
the	O
GameCube	B-Application
managed	O
to	O
include	O
more	O
characters	O
,	O
interesting	O
modes	O
,	O
and	O
varied	O
courses	O
a	O
decade	O
ago	O
is	O
a	O
bit	O
insulting.	O
"	O
</s>
