<s>
Summoners	B-Protocol
War	I-Protocol
:	I-Protocol
Sky	I-Protocol
Arena	I-Protocol
is	O
a	O
mobile	O
turn-based	O
strategy	O
massively	B-Application
multiplayer	I-Application
online	I-Application
game	I-Application
created	O
by	O
South	O
Korean	O
game	O
developer	O
,	O
Com2uS	O
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
and	O
released	O
at	O
the	O
Electronic	O
Entertainment	O
Expo	O
on	O
June	O
12	O
,	O
2014	O
for	O
iOS	B-Application
and	O
Android	B-Application
devices	O
.	O
</s>
<s>
Summoners	B-Protocol
War	I-Protocol
has	O
performed	O
successfully	O
,	O
with	O
150,000,000	O
downloads	O
worldwide	O
,	O
and	O
in	O
earnings	O
.	O
</s>
<s>
In	O
2020	O
,	O
the	O
game	O
had	O
a	O
crossover	O
with	O
the	O
Street	B-Application
Fighter	I-Application
series	O
,	O
adding	O
characters	O
Ryu	O
,	O
Chun-Li	O
,	O
Ken	O
Masters	O
,	O
M	O
.	O
Bison	O
,	O
and	O
Dhalsim	O
as	O
monsters	O
to	O
the	O
game	O
.	O
</s>
<s>
Although	O
the	O
main	O
storyline	O
is	O
single-player	O
,	O
Summoners	B-Protocol
War	I-Protocol
offers	O
many	O
cooperative	O
and	O
competitive	O
multiplayer	O
modes	O
.	O
</s>
<s>
The	O
game	O
has	O
achieved	O
top-10	O
status	O
in	O
over	O
84	O
countries	O
in	O
the	O
Apple	B-Application
App	I-Application
Store	I-Application
and	O
over	O
54	O
countries	O
on	O
Android	B-Application
.	O
</s>
<s>
As	O
of	O
August	O
2018	O
,	O
the	O
game	O
has	O
earned	O
across	O
the	O
iOS	B-Application
App	I-Application
Store	I-Application
and	O
Google	B-Application
Play	I-Application
,	O
including	O
from	O
the	O
United	O
States	O
and	O
from	O
Japan	O
.	O
</s>
<s>
Summoners	B-Protocol
War	I-Protocol
has	O
received	O
positive	O
reviews	O
.	O
</s>
<s>
Noting	O
the	O
oversaturation	O
of	O
the	O
game	O
genre	O
,	O
Vincent	O
Haoson	O
notes	O
that	O
Summoners	B-Protocol
War	I-Protocol
has	O
"	O
considerably	O
superior	O
graphics	O
and	O
production	O
value	O
"	O
.	O
</s>
<s>
On	O
a	O
similar	O
note	O
,	O
Nick	O
Shively	O
applauded	O
the	O
style	O
of	O
gameplay	O
,	O
stating	O
,	O
“	O
What	O
really	O
separates	O
Summoners	B-Protocol
War	I-Protocol
:	I-Protocol
Sky	I-Protocol
Arena	I-Protocol
from	O
the	O
rest	O
of	O
the	O
mobile	O
MMORPGs	O
is	O
the	O
combat	O
"	O
.	O
</s>
<s>
While	O
Haoson	O
awarded	O
Summoners	B-Protocol
War	I-Protocol
a	O
perfect	O
score	O
,	O
he	O
describes	O
the	O
plot	O
as	O
“	O
a	O
mediocre	O
and	O
linear	O
storyline	O
to	O
give	O
the	O
notion	O
of	O
progress	O
and	O
development	O
as	O
it	O
takes	O
the	O
player	O
from	O
one	O
map	O
to	O
the	O
next	O
"	O
.	O
</s>
<s>
In	O
2022	O
,	O
A	O
sequel	O
named	O
Summoners	B-Protocol
War	I-Protocol
:	O
Chronicles	O
.	O
</s>
<s>
In	O
2021	O
,	O
Another	O
sequel	O
named	O
Summoners	B-Protocol
War	I-Protocol
Lost	O
Centuria	O
.	O
</s>
