<s>
is	O
a	O
puzzle-platform	O
game	O
developed	O
by	O
HAL	O
Laboratory	O
and	O
published	O
by	O
Nintendo	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
handheld	B-Application
console	I-Application
.	O
</s>
<s>
The	O
project	O
plan	O
for	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
The	O
game	O
was	O
released	O
via	O
the	O
Nintendo	B-Application
eShop	I-Application
distribution	O
service	O
in	O
Japan	O
in	O
January	O
2015	O
,	O
and	O
worldwide	O
in	O
April	O
2015	O
.	O
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
A	O
sequel	O
,	O
BoxBoxBoy	O
!,	O
was	O
released	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
in	O
2016	O
,	O
with	O
a	O
third	O
game	O
,	O
Bye-Bye	O
BoxBoy	O
!,	O
in	O
2017	O
.	O
</s>
<s>
A	O
fourth	O
installment	O
,	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
+	O
BoxGirl	O
!,	O
was	O
released	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
in	O
April	O
2019	O
.	O
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
The	O
game	O
makes	O
use	O
of	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
 '	O
Play	O
Coin	O
feature	O
;	O
Play	O
Coins	O
can	O
be	O
used	O
to	O
request	O
hints	O
to	O
the	O
puzzle	O
solutions	O
.	O
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
It	O
was	O
a	O
small	O
experimental	O
project	O
in	O
development	O
while	O
the	O
studio	O
was	O
working	O
on	O
Kirby	B-Device
:	I-Device
Triple	I-Device
Deluxe	I-Device
and	O
Kirby	B-Application
and	I-Application
the	I-Application
Rainbow	I-Application
Curse	I-Application
.	O
</s>
<s>
The	O
project	O
plan	O
for	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
The	O
concept	O
of	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
arose	O
when	O
he	O
was	O
brainstorming	O
ideas	O
for	O
a	O
game	O
that	O
featured	O
retro	O
gameplay	O
,	O
in	O
the	O
style	O
of	O
titles	O
released	O
on	O
the	O
Nintendo	O
Entertainment	O
System	O
and	O
the	O
Game	B-Device
Boy	I-Device
.	O
</s>
<s>
Once	O
development	O
of	O
Kirby	B-Device
:	I-Device
Triple	I-Device
Deluxe	I-Device
concluded	O
,	O
some	O
members	O
of	O
its	O
development	O
team	O
joined	O
the	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
The	O
development	O
team	O
had	O
considered	O
implementing	O
a	O
multiplayer	O
mode	O
for	O
BoxBoy	B-Application
!	I-Application
.	O
</s>
<s>
However	O
,	O
multiplayer	O
would	O
later	O
be	O
added	O
in	O
the	O
series	O
 '	O
fourth	O
installment	O
,	O
Boxboy	B-Application
!	I-Application
</s>
<s>
At	O
one	O
point	O
in	O
development	O
,	O
while	O
brainstorming	O
BoxBoy	B-Application
!	O
s	O
visual	O
style	O
,	O
the	O
team	O
had	O
considered	O
making	O
Kirby	O
the	O
main	O
character	O
.	O
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
The	O
game	O
was	O
released	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
handheld	B-Application
console	I-Application
via	O
the	O
eShop	B-Application
distribution	O
service	O
in	O
Japan	O
on	O
January	O
14	O
,	O
2015	O
,	O
and	O
worldwide	O
on	O
April	O
2	O
,	O
2015	O
.	O
</s>
<s>
BoxBoy	B-Application
!	I-Application
</s>
<s>
received	O
generally	O
favourable	O
reviews	O
from	O
critics	O
according	O
to	O
review	B-Application
aggregator	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Some	O
reviewers	O
highlighted	O
that	O
the	O
early	O
stages	O
in	O
BoxBoy	B-Application
!	I-Application
</s>
<s>
He	O
remarked	O
that	O
BoxBoy	B-Application
!	O
s	O
low	O
price	O
and	O
well-designed	O
puzzles	O
made	O
it	O
entirely	O
worth	O
playing	O
.	O
</s>
<s>
According	O
to	O
some	O
writers	O
,	O
BoxBoy	B-Application
!	O
s	O
graphics	O
and	O
art	O
resembled	O
the	O
style	O
found	O
in	O
Game	B-Device
Boy	I-Device
titles	O
;	O
the	O
reaction	O
towards	O
it	O
was	O
mixed	O
among	O
reviewers	O
.	O
</s>
<s>
In	O
2016	O
,	O
a	O
sequel	O
titled	O
BoxBoxBoy	B-Device
!	I-Device
</s>
<s>
was	O
released	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
,	O
allowing	O
Qbby	O
to	O
create	O
two	O
sets	O
of	O
boxes	O
at	O
a	O
time	O
.	O
</s>
<s>
The	O
compilation	O
also	O
included	O
a	O
soundtrack	O
CD	O
featuring	O
the	O
music	O
from	O
all	O
three	O
games	O
,	O
as	O
well	O
as	O
a	O
Qbby	O
Amiibo	B-Device
figure	O
,	O
the	O
latter	O
of	O
which	O
can	O
be	O
used	O
with	O
Bye-Bye	B-Device
BoxBoy	I-Device
!	I-Device
.	O
</s>
<s>
In	O
a	O
February	O
2019	O
Nintendo	O
Direct	O
,	O
a	O
fourth	O
game	O
was	O
announced	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
as	O
BoxBoy	B-Application
!	I-Application
</s>
