<s>
is	O
a	O
limited-edition	O
Game	B-Device
&	I-Device
Watch	I-Device
system	O
developed	O
and	O
published	O
by	O
Nintendo	O
,	O
released	O
on	O
November	O
13	O
,	O
2020	O
.	O
</s>
<s>
The	O
system	O
features	O
three	O
Nintendo	O
games	O
:	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
(	O
1985	O
)	O
,	O
Super	B-Device
Mario	I-Device
Bros.	I-Device
:	I-Device
The	I-Device
Lost	I-Device
Levels	I-Device
(	O
1986	O
)	O
,	O
and	O
a	O
Mario-themed	O
version	O
of	O
Ball	O
(	O
1980	O
)	O
.	O
</s>
<s>
The	O
system	O
was	O
released	O
for	O
the	O
35th	O
anniversary	O
of	O
the	O
Super	B-Application
Mario	I-Application
series	O
and	O
the	O
40th	O
anniversary	O
of	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
line	O
.	O
</s>
<s>
Game	B-Application
&	I-Application
Watch	I-Application
:	I-Application
Super	I-Application
Mario	I-Application
Bros	I-Application
.	I-Application
is	O
primarily	O
a	O
side-scrolling	O
platformer	O
in	O
which	O
the	O
player	O
needs	O
to	O
make	O
it	O
to	O
the	O
far	O
right	O
of	O
levels	O
.	O
</s>
<s>
The	O
system	O
also	O
includes	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
game	O
Ball	O
,	O
updated	O
to	O
make	O
the	O
character	O
that	O
appears	O
in	O
the	O
game	O
be	O
Mario	B-Application
(	O
with	O
Luigi	O
also	O
being	O
playable	O
through	O
an	O
Easter	O
egg	O
)	O
-	O
this	O
makes	O
it	O
more	O
like	O
the	O
final	O
Game	B-Device
and	I-Device
Watch	I-Device
game	O
released	O
,	O
"	O
Mario	B-Application
the	O
Juggler	O
"	O
,	O
than	O
the	O
original	O
Ball	O
,	O
which	O
features	O
the	O
"	O
Mr.	O
Game	B-Device
&	I-Device
Watch	I-Device
"	O
character	O
.	O
</s>
<s>
Although	O
Mr.	O
Game	B-Device
&	I-Device
Watch	I-Device
is	O
seen	O
on	O
the	O
game	O
select	O
screen	O
,	O
he	O
is	O
not	O
seen	O
in	O
actual	O
gameplay	O
.	O
</s>
<s>
Multiple	O
Easter	O
eggs	O
were	O
also	O
added	O
throughout	O
all	O
three	O
games	O
,	O
such	O
as	O
being	O
able	O
to	O
give	O
Mario	B-Application
infinite	O
lives	O
in	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
and	O
The	B-Device
Lost	I-Device
Levels	I-Device
by	O
holding	O
the	O
A	O
button	O
upon	O
starting	O
the	O
game	O
and	O
being	O
able	O
to	O
access	O
and	O
listen	O
to	O
the	O
Mario	B-Application
Drawing	O
Song	O
(	O
which	O
included	O
a	O
language	O
error	O
)	O
by	O
holding	O
down	O
the	O
A	O
button	O
in	O
the	O
clock	O
mode	O
.	O
</s>
<s>
Game	B-Application
&	I-Application
Watch	I-Application
:	I-Application
Super	I-Application
Mario	I-Application
Bros	I-Application
.	I-Application
was	O
announced	O
in	O
a	O
Nintendo	O
Direct	O
held	O
to	O
celebrate	O
the	O
35th	O
anniversary	O
of	O
the	O
Super	B-Application
Mario	I-Application
series	O
,	O
where	O
its	O
content	O
,	O
release	O
date	O
,	O
and	O
launch	O
price	O
of	O
$50	O
were	O
first	O
unveiled	O
.	O
</s>
<s>
Two	O
Japanese	O
tie-in	O
websites	O
were	O
also	O
launched	O
following	O
the	O
system	O
's	O
announcement	O
,	O
one	O
for	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
and	O
one	O
for	O
Super	B-Device
Mario	I-Device
Bros.	I-Device
:	I-Device
The	I-Device
Lost	I-Device
Levels	I-Device
.	O
</s>
<s>
He	O
said	O
that	O
he	O
considered	O
the	O
concept	O
successful	O
and	O
also	O
said	O
how	O
Super	B-Application
Mario	I-Application
3D	I-Application
All-Stars	I-Application
sold	O
over	O
2	O
million	O
copies	O
in	O
the	O
time	O
frame	O
.	O
</s>
<s>
The	O
game	O
is	O
powered	O
by	O
a	O
STM32H7B0VBT6	O
microcontroller	B-Architecture
,	O
which	O
consists	O
of	O
an	O
ARM	O
Cortex-M7	O
core	O
,	O
two	O
banks	O
of	O
256KB	O
Flash	B-Device
(	O
Only	O
128	O
KB	O
is	O
documented	O
)	O
as	O
discovered	O
by	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
modding	O
community	O
,	O
and	O
1380	O
KB	O
of	O
SRAM	B-Architecture
,	O
and	O
1	O
MB	O
of	O
Serial	O
Flash	B-Device
.	O
</s>
<s>
The	O
game	O
's	O
hardware	O
is	O
modelled	O
after	O
the	O
Widescreen	O
Game	B-Device
&	I-Device
Watch	I-Device
series	I-Device
(	O
however	O
,	O
unlike	O
the	O
original	O
Widescreen	O
systems	O
,	O
the	O
system	O
's	O
A	O
and	O
B	O
buttons	O
are	O
moved	O
to	O
the	O
right	O
side	O
to	O
be	O
like	O
the	O
Nintendo	O
Entertainment	O
System	O
controller	O
,	O
and	O
includes	O
a	O
D-pad	B-Device
and	O
a	O
full-color	O
LCD	O
screen	O
)	O
.	O
</s>
<s>
It	O
has	O
a	O
built-in	O
lithium-ion	O
battery	O
,	O
identical	O
to	O
that	O
found	O
in	O
the	O
Nintendo	B-Application
Switch	I-Application
Joy-Con	B-General_Concept
controllers	O
,	O
which	O
is	O
estimated	O
to	O
last	O
8	O
hours	O
.	O
</s>
<s>
Unlike	O
prior	O
Game	B-Device
&	I-Device
Watch	I-Device
systems	O
,	O
the	O
system	O
does	O
n't	O
have	O
a	O
kickstand	O
.	O
</s>
<s>
Seth	O
Macy	O
,	O
writing	O
for	O
IGN	O
,	O
gave	O
Game	B-Application
&	I-Application
Watch	I-Application
:	I-Application
Super	I-Application
Mario	I-Application
Bros	I-Application
.	I-Application
a	O
9/10	O
,	O
and	O
labeled	O
it	O
as	O
an	O
editor	O
's	O
choice	O
.	O
</s>
<s>
Blake	O
Morse	O
of	O
Shacknews	O
gave	O
the	O
system	O
an	O
8/10	O
,	O
praising	O
it	O
for	O
looking	O
"	O
gorgeous	O
"	O
,	O
the	O
hidden	O
secrets	O
it	O
contains	O
,	O
and	O
the	O
watch	O
feature	O
,	O
but	O
criticizing	O
the	O
audio	O
and	O
how	O
the	O
down	O
on	O
the	O
d-pad	B-Device
could	O
"	O
function	O
better	O
"	O
.	O
</s>
<s>
Writing	O
for	O
Mashable	O
,	O
Adam	O
Rosenberg	O
said	O
that	O
the	O
"	O
squishy-feeling	O
directional	B-Device
pad	I-Device
and	O
A/B	O
buttons	O
"	O
were	O
n't	O
the	O
best	O
way	O
to	O
play	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
and	O
The	B-Device
Lost	I-Device
Levels	I-Device
,	O
but	O
said	O
that	O
the	O
"	O
budget-friendly	O
gift	O
item	O
"	O
would	O
"	O
delight	O
any	O
Nintendo-loving	O
fanperson	O
"	O
.	O
</s>
<s>
Nintendo	O
Life	O
's	O
Damien	O
McFerran	O
praised	O
the	O
system	O
's	O
backlit	O
LCD	O
screen	O
,	O
the	O
clock	O
feature	O
,	O
and	O
said	O
that	O
it	O
emulates	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
and	O
The	B-Device
Lost	I-Device
Levels	I-Device
"	O
very	O
well	O
"	O
,	O
but	O
criticized	O
the	O
lack	O
of	O
a	O
kickstand	O
and	O
questioned	O
why	O
only	O
three	O
games	O
were	O
included	O
.	O
</s>
<s>
Chris	O
Plante	O
,	O
in	O
a	O
review	O
for	O
The	O
Verge	O
,	O
called	O
the	O
hardware	O
"	O
well	O
built	O
"	O
,	O
and	O
said	O
that	O
the	O
D-pad	B-Device
is	O
"	O
firm	O
and	O
responsive	O
"	O
and	O
that	O
the	O
A	O
and	O
B	O
buttons	O
are	O
"	O
soft	O
but	O
not	O
mushy	O
"	O
.	O
</s>
<s>
Plante	O
said	O
that	O
the	O
discomfort	O
he	O
experienced	O
with	O
the	O
system	O
was	O
due	O
to	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
consoles	O
being	O
designed	O
to	O
play	O
more	O
simple	O
games	O
,	O
such	O
as	O
the	O
included	O
Ball	O
.	O
</s>
<s>
When	O
reviewing	O
the	O
system	O
for	O
CNET	O
,	O
Scott	O
Stein	O
stated	O
that	O
the	O
system	O
is	O
an	O
"	O
unexpectedly	O
satisfying	O
mash-up	O
"	O
and	O
also	O
said	O
that	O
"	O
it	O
feels	O
really	O
good	O
to	O
play	O
on	O
"	O
,	O
citing	O
that	O
the	O
D-pad	B-Device
,	O
A	O
and	O
B	O
buttons	O
are	O
"	O
very-well	O
placed	O
"	O
.	O
</s>
<s>
Stein	O
also	O
criticized	O
that	O
consumers	O
only	O
got	O
3	O
games	O
for	O
the	O
Game	B-Device
&	I-Device
Watch	I-Device
's	O
launch	O
price	O
of	O
$50	O
,	O
and	O
said	O
that	O
it	O
should	O
have	O
included	O
more	O
Game	B-Device
&	I-Device
Watch	I-Device
games	O
.	O
</s>
<s>
On	O
the	O
day	O
of	O
the	O
system	O
's	O
release	O
,	O
Game	B-Application
&	I-Application
Watch	I-Application
:	I-Application
Super	I-Application
Mario	I-Application
Bros	I-Application
.	I-Application
was	O
sold	O
out	O
on	O
Amazon	B-Application
,	O
GameStop	O
,	O
the	O
Nintendo	O
store	O
,	O
Walmart	O
,	O
and	O
Deep	O
Discount	O
;	O
however	O
,	O
they	O
were	O
quickly	O
restocked	O
.	O
</s>
