<s>
Kirby	B-Application
Star	I-Application
Allies	I-Application
is	O
a	O
2018	O
platform	O
video	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-Application
Switch	I-Application
.	O
</s>
<s>
An	O
installment	O
in	O
the	O
Kirby	B-Application
series	I-Application
,	O
the	O
player	O
controls	O
Kirby	B-Application
in	O
his	O
quest	O
to	O
prevent	O
a	O
priest	O
named	O
Hyness	O
from	O
reviving	O
a	O
dark	O
force	O
to	O
destroy	O
the	O
universe	O
.	O
</s>
<s>
Kirby	B-Application
must	O
complete	O
each	O
level	O
by	O
jumping	O
,	O
inhaling	O
enemies	O
,	O
and	O
using	O
his	O
array	O
of	O
abilities	O
to	O
progress	O
.	O
</s>
<s>
Development	O
of	O
the	O
game	O
began	O
during	O
the	O
25th	O
anniversary	O
of	O
the	O
Kirby	B-Application
series	I-Application
.	O
</s>
<s>
The	O
developers	O
later	O
added	O
additional	B-Protocol
content	I-Protocol
for	O
the	O
game	O
for	O
the	O
sake	O
of	O
adding	O
more	O
references	O
from	O
past	O
games	O
in	O
the	O
franchise	O
.	O
</s>
<s>
General	O
reception	O
was	O
later	O
re-evaluated	O
as	O
positive	O
after	O
free	O
additional	B-Protocol
content	I-Protocol
was	O
later	O
added	O
,	O
being	O
praised	O
for	O
adding	O
a	O
new	O
layer	O
of	O
difficulty	O
.	O
</s>
<s>
The	O
game	O
has	O
sold	O
3.98	O
million	O
copies	O
as	O
of	O
December	O
31	O
,	O
2021	O
,	O
making	O
it	O
one	O
of	O
the	O
best-selling	B-Device
games	I-Device
on	I-Device
the	I-Device
Switch	I-Device
.	O
</s>
<s>
Kirby	B-Application
Star	I-Application
Allies	I-Application
is	O
a	O
2.5D	O
platform	O
game	O
played	O
from	O
a	O
side-on	O
perspective	O
.	O
</s>
<s>
Players	O
control	O
the	B-Application
series	I-Application
 '	O
titular	O
protagonist	O
Kirby	B-Application
who	O
can	O
be	O
accompanied	O
by	O
up	O
to	O
three	O
companions	O
.	O
</s>
<s>
Kirby	B-Application
can	O
throw	O
hearts	O
at	O
enemies	O
to	O
turn	O
them	O
into	O
allies	O
.	O
</s>
<s>
When	O
Kirby	B-Application
has	O
companions	O
,	O
new	O
special	O
attacks	O
become	O
available	O
which	O
allow	O
Kirby	B-Application
to	O
combine	O
his	O
abilities	O
with	O
those	O
of	O
his	O
allies	O
 '	O
,	O
a	O
feature	O
not	O
seen	O
since	O
Kirby	B-Application
:	I-Application
Squeak	I-Application
Squad	I-Application
.	O
</s>
<s>
The	O
elemental	O
fusions	O
last	O
for	O
as	O
long	O
as	O
the	O
power	O
is	O
held	O
or	O
until	O
a	O
new	O
element	O
is	O
introduced	O
over	O
it	O
,	O
while	O
some	O
of	O
the	O
combinations	O
are	O
single-use	O
moves	O
that	O
bear	O
more	O
of	O
a	O
resemblance	O
to	O
the	O
combinations	O
found	O
in	O
Kirby	B-Application
64	I-Application
:	I-Application
The	I-Application
Crystal	I-Application
Shards	I-Application
.	O
</s>
<s>
When	O
Kirby	B-Application
has	O
three	O
allies	O
,	O
they	O
can	O
perform	O
"	O
Friend	O
Actions	O
"	O
on	O
specific	O
stages	O
,	O
like	O
"	O
Friend	O
Train	O
"	O
and	O
"	O
Friend	O
Star.	O
"	O
</s>
<s>
Kirby	B-Application
will	O
lose	O
a	O
life	O
if	O
he	O
falls	O
into	O
a	O
bottomless	O
pit	O
or	O
his	O
health	O
bar	O
is	O
depleted	O
.	O
</s>
<s>
The	O
game	O
also	O
introduces	O
the	O
"	O
Dream	O
Friend	O
"	O
system	O
,	O
which	O
allows	O
the	O
player	O
to	O
call	O
upon	O
characters	O
from	O
past	O
Kirby	B-Application
games	O
as	O
special	O
allies	O
with	O
expanded	O
movesets	O
.	O
</s>
<s>
On	O
the	O
Jambandra	O
space	O
station	O
far	O
away	O
from	O
Kirby	B-Application
's	O
home	O
planet	O
Popstar	O
,	O
a	O
dark	O
crystal	O
heart	O
explodes	O
due	O
to	O
an	O
imperfection	O
in	O
a	O
mysterious	O
ritual	O
,	O
sending	O
its	O
numerous	O
fragments	O
,	O
Jamba	O
Hearts	O
,	O
hurtling	O
into	O
deep	O
space	O
.	O
</s>
<s>
A	O
heart	O
hits	O
Kirby	B-Application
,	O
but	O
it	O
instead	O
gives	O
him	O
the	O
ability	O
to	O
befriend	O
enemies	O
by	O
throwing	O
hearts	O
.	O
</s>
<s>
Kirby	B-Application
notices	O
many	O
Waddle	O
Dees	O
bringing	O
food	O
to	O
Castle	O
Dedede	O
and	O
decides	O
to	O
investigate	O
.	O
</s>
<s>
After	O
Kirby	B-Application
defeats	O
Meta	O
Knight	O
and	O
King	O
Dedede	O
and	O
frees	O
them	O
from	O
the	O
Jamba	O
Heart	O
's	O
influence	O
,	O
a	O
large	O
fortress	O
known	O
as	O
Jambastion	O
lands	O
on	O
Popstar	O
.	O
</s>
<s>
After	O
defeating	O
three	O
generals	O
of	O
ice	O
,	O
fire	O
,	O
and	O
electricity	O
,	O
Francisca	O
,	O
Flamberge	O
,	O
and	O
Zan	O
Partizanne	O
,	O
respectively	O
,	O
Kirby	B-Application
and	O
his	O
friends	O
fly	O
to	O
the	O
far	O
reaches	O
of	O
space	O
.	O
</s>
<s>
Kirby	B-Application
and	O
his	O
friends	O
connect	O
a	O
path	O
to	O
Jambandra	O
Base	O
and	O
breach	O
its	O
defensive	O
barrier	O
.	O
</s>
<s>
Kirby	B-Application
and	O
his	O
friends	O
use	O
a	O
Friend	O
Pedestal	O
to	O
summon	O
the	O
Friend	O
Star	O
but	O
it	O
transforms	O
into	O
the	O
Star	O
Allies	O
Sparkler	O
via	O
the	O
power	O
of	O
the	O
four	O
Heart	O
Spears	O
that	O
were	O
stuck	O
in	O
the	O
prison	O
of	O
Void	O
Termina	O
.	O
</s>
<s>
After	O
overcoming	O
its	O
humanoid	O
body	O
,	O
also	O
regurgitating	O
Hyness	O
,	O
Francisca	O
,	O
Flamberge	O
,	O
and	O
Zan	O
Partizanne	O
in	O
the	O
process	O
,	O
and	O
defeating	O
its	O
bird	O
form	O
,	O
it	O
is	O
revealed	O
that	O
its	O
true	O
form	O
is	O
a	O
purplish	O
pink	O
cluster	O
with	O
three	O
dark	O
eye-like	O
spots	O
that	O
can	O
arrange	O
themselves	O
to	O
resemble	O
Kirby	B-Application
's	O
face	O
.	O
</s>
<s>
Kirby	B-Application
then	O
destroys	O
Void	O
Termina	O
with	O
the	O
Star	O
Allies	O
Sparkler	O
,	O
summoning	O
friends	O
in	O
the	O
process	O
.	O
</s>
<s>
The	O
Sparkler	O
is	O
destroyed	O
by	O
the	O
resulting	O
explosion	O
,	O
but	O
Kirby	B-Application
uses	O
a	O
Warp	O
Star	O
to	O
return	O
himself	O
and	O
his	O
friends	O
safely	O
home	O
.	O
</s>
<s>
Through	O
a	O
series	O
of	O
pause	O
screens	O
in	O
various	O
boss	O
fights	O
,	O
it	O
is	O
explained	O
that	O
Void	O
Termina	O
,	O
Kirby	B-Application
,	O
and	O
various	O
bosses	O
from	O
previous	O
games	O
are	O
likely	O
reincarnations	O
of	O
the	O
godlike	O
being	O
known	O
as	O
Void	O
.	O
</s>
<s>
During	O
the	O
battle	O
against	O
Void	O
Termina	O
,	O
as	O
well	O
as	O
the	O
non-canon	O
Void	O
Soul	O
fight	O
in	O
the	O
True	O
Arena	O
on	O
Soul	O
Melter	O
difficulty	O
,	O
several	O
attacks	O
are	O
reused	O
from	O
past	O
Kirby	B-Application
bosses	O
,	O
suggesting	O
that	O
the	O
bosses	O
mimicked	O
are	O
also	O
forms	O
of	O
Void	O
.	O
</s>
<s>
Kirby	B-Application
Star	I-Application
Allies	I-Application
was	O
developed	O
by	O
HAL	O
Laboratory	O
and	O
published	O
by	O
Nintendo	O
.	O
</s>
<s>
The	O
game	O
is	O
thought	O
to	O
be	O
based	O
upon	O
the	O
first	O
incarnation	O
of	O
the	O
cancelled	O
Kirby	B-Application
game	O
for	O
the	O
GameCube	B-Application
,	O
the	O
trailer	O
for	O
which	O
shows	O
Kirby	B-Application
making	O
multiple	O
helpers	O
,	O
akin	O
to	O
the	O
fundamental	O
element	O
of	O
Star	O
Allies	O
.	O
</s>
<s>
Development	O
of	O
the	O
game	O
began	O
during	O
the	O
25th	O
anniversary	O
of	O
the	O
Kirby	B-Application
franchise	O
.	O
</s>
<s>
The	O
game	O
was	O
initially	O
teased	O
under	O
the	O
tentative	O
title	O
Kirby	B-Application
during	O
E3	O
2017	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
game	O
console	O
on	O
16	O
March	O
2018	O
.	O
</s>
<s>
On	O
3	O
March	O
2018	O
,	O
a	O
free	O
demo	O
of	O
the	O
game	O
was	O
released	O
on	O
the	O
Nintendo	B-Application
eShop	I-Application
showcasing	O
two	O
of	O
the	O
game	O
's	O
stages	O
.	O
</s>
<s>
HAL	O
Laboratory	O
developer	O
Shinya	O
Kumazaki	O
went	O
over	O
the	O
world	O
map	O
concept	O
,	O
and	O
the	O
ability	O
of	O
creating	O
more	O
open	O
,	O
higher	O
resolution	O
imagery	O
with	O
the	O
Nintendo	B-Application
Switch	I-Application
console	O
.	O
</s>
<s>
They	O
swayed	O
to	O
making	O
the	O
screen	O
more	O
spread	O
out	O
in	O
contrast	O
to	O
Kirby	B-Application
,	O
as	O
they	O
could	O
make	O
Kirby	B-Application
smaller	O
but	O
still	O
retain	O
shape	O
,	O
while	O
being	O
able	O
to	O
present	O
more	O
of	O
the	O
background	O
at	O
one	O
time	O
.	O
</s>
<s>
The	O
idea	O
for	O
the	O
downloadable	B-Protocol
content	I-Protocol
was	O
to	O
help	O
give	O
attention	O
to	O
past	O
Kirby	B-Application
games	O
,	O
and	O
the	B-Application
series	I-Application
as	O
a	O
whole	O
.	O
</s>
<s>
When	O
discussing	O
the	O
lack	O
of	O
other	O
popular	O
characters	O
from	O
the	O
franchise	O
,	O
he	O
said	O
that	O
there	O
were	O
certain	O
characters	O
he	O
wanted	O
to	O
appear	O
,	O
such	O
as	O
Galacta	O
Knight	O
from	O
Kirby	B-Application
Super	I-Application
Star	I-Application
Ultra	I-Application
.	O
</s>
<s>
After	O
the	O
game	O
released	O
,	O
Super	B-Application
Kirby	I-Application
Clash	I-Application
and	O
Kirby	B-Application
Fighters	I-Application
2	I-Application
were	O
released	O
,	O
in	O
2019	O
and	O
2020	O
respectively	O
,	O
using	O
the	O
same	O
engine	O
.	O
</s>
<s>
Kirby	B-Application
Star	I-Application
Allies	I-Application
received	O
a	O
"	O
mixed	O
or	O
average	O
"	O
rating	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
,	O
based	O
on	O
83	O
critic	O
reviews	O
.	O
</s>
<s>
Polygon	O
reviewer	O
Jeremy	O
Parrish	O
called	O
the	O
game	O
predictable	O
and	O
familiar	O
,	O
and	O
wrote	O
how	O
the	O
game	O
"	O
plays	O
things	O
incredibly	O
safe	O
"	O
,	O
compared	O
to	O
recent	O
titles	O
such	O
as	O
Kirby	B-Application
:	I-Application
Planet	I-Application
Robobot	I-Application
.	O
</s>
<s>
At	O
the	O
release	O
of	O
the	O
game	O
's	O
final	O
post-launch	B-Protocol
content	I-Protocol
,	O
some	O
critics	O
reevaluated	O
the	O
game	O
,	O
finding	O
that	O
the	O
additional	B-Protocol
content	I-Protocol
resulted	O
in	O
an	O
improved	O
experience	O
.	O
</s>
<s>
Another	O
review	O
,	O
by	O
Sean	O
Anthony	O
of	O
Gaming	O
Trend	O
,	O
also	O
praised	O
the	O
creative	O
level	O
design	O
and	O
difficulty	O
of	O
the	O
new	O
game	O
mode	O
,	O
and	O
additionally	O
complimented	O
the	O
added	O
"	O
Soul	O
Melter	O
EX	O
"	O
difficulty	O
level	O
,	O
concluding	O
that	O
"	O
Kirby	B-Application
Star	I-Application
Allies	I-Application
is	O
finally	O
a	O
complete	O
game.	O
"	O
</s>
<s>
Upon	O
the	O
game	O
's	O
launch	O
,	O
Kirby	B-Application
Star	I-Application
Allies	I-Application
became	O
the	O
fastest	O
selling	O
Kirby	B-Application
game	O
in	O
the	O
United	O
Kingdom	O
.	O
</s>
<s>
As	O
of	O
March	O
2019	O
,	O
Kirby	B-Application
Star	I-Application
Allies	I-Application
has	O
sold	O
2.56	O
million	O
copies	O
.	O
</s>
<s>
The	O
2022	O
CESA	O
Games	O
White	O
Papers	O
revealed	O
that	O
Kirby	B-Application
Star	I-Application
Allies	I-Application
has	O
sold	O
3.98	O
million	O
copies	O
,	O
as	O
of	O
December	O
31	O
,	O
2021	O
.	O
</s>
