<s>
Splatoon	B-Application
2	I-Application
:	I-Application
Octo	I-Application
Expansion	I-Application
is	O
an	O
expansion	O
pack	O
to	O
the	O
single-player	O
mode	O
of	O
Splatoon	B-Application
2	I-Application
,	O
a	O
third-person	O
shooter	O
video	O
game	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
Octo	B-Application
Expansion	I-Application
follows	O
the	O
story	O
of	O
an	O
Octoling	O
that	O
goes	O
by	O
the	O
name	O
of	O
Agent	O
8	O
.	O
</s>
<s>
Cuttlefish	O
was	O
seeking	O
out	O
Agent	O
3	O
,	O
the	O
protagonist	O
of	O
Splatoon	B-Application
,	O
and	O
decides	O
to	O
help	O
the	O
Octoling	O
after	O
hearing	O
them	O
humming	O
the	O
Squid	O
Sisters	O
 '	O
song	O
“	O
Calamari	O
Inkantation	O
”	O
.	O
</s>
<s>
Development	O
of	O
Octo	B-Application
Expansion	I-Application
began	O
during	O
Splatoon	B-Application
2	I-Application
series	O
of	O
free	O
updates	O
.	O
</s>
<s>
Octolings	O
had	O
been	O
considered	O
to	O
be	O
made	O
playable	O
in	O
Splatoon	B-Application
2	I-Application
,	O
but	O
this	O
was	O
initially	O
rejected	O
for	O
as	O
they	O
felt	O
it	O
would	O
be	O
jarring	O
for	O
Octolings	O
to	O
show	O
up	O
in	O
a	O
non-antagonistic	O
role	O
without	O
explanation	O
.	O
</s>
<s>
He	O
wanted	O
to	O
represent	O
the	O
setting	O
by	O
having	O
different	O
creatures	O
than	O
the	O
world	O
of	O
Splatoon	B-Application
and	O
Splatoon	B-Application
2	I-Application
based	O
on	O
creatures	O
who	O
live	O
on	O
the	O
ocean	O
floor	O
.	O
</s>
<s>
The	O
levels	O
were	O
designed	O
to	O
have	O
as	O
much	O
variety	O
as	O
possible	O
and	O
featured	O
cut	O
content	O
from	O
the	O
base	O
Splatoon	B-Application
2	I-Application
release	O
.	O
</s>
<s>
The	O
idea	O
behind	O
the	O
final	O
boss	O
was	O
an	O
idea	O
that	O
director	O
Yusuke	O
Amano	O
had	O
wanted	O
to	O
do	O
since	O
the	O
first	O
Splatoon	B-Application
game	O
.	O
</s>
<s>
Octo	B-Application
Expansion	I-Application
was	O
announced	O
in	O
a	O
Nintendo	O
Direct	O
broadcast	O
on	O
March	O
8	O
,	O
2018	O
.	O
</s>
<s>
A	O
physical	O
version	O
of	O
Splatoon	B-Application
2	I-Application
with	O
the	O
DLC	O
included	O
was	O
exclusively	O
sold	O
in	O
Japan	O
on	O
October	O
8	O
,	O
2021	O
.	O
</s>
<s>
On	O
April	O
22	O
,	O
2022	O
"	O
Octo	B-Application
Expansion	I-Application
"	O
was	O
added	O
as	O
a	O
benefit	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
Online	I-Application
+	O
Expansion	O
Pack	O
.	O
</s>
<s>
Octo	B-Application
Expansion	I-Application
holds	O
an	O
aggregate	O
score	O
of	O
82	O
and	O
81.64	O
%	O
on	O
Metacritic	O
and	O
GameRankings	O
respectively	O
.	O
</s>
<s>
Christian	O
Donlan	O
of	O
Eurogamer	O
named	O
the	O
title	O
a	O
"	O
Recommended	O
Pick	O
"	O
,	O
saying	O
that	O
it	O
was	O
difficult	O
,	O
but	O
had	O
"	O
brilliant	O
"	O
puzzles	O
resembling	O
the	O
shrines	O
from	O
The	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
:	I-Application
Breath	I-Application
of	I-Application
the	I-Application
Wild	I-Application
.	O
</s>
