<s>
GamePigeon	B-Operating_System
is	O
a	O
mobile	O
app	O
for	O
iOS	B-Application
devices	O
,	O
developed	O
by	O
Vitalii	O
Zlotskii	O
and	O
released	O
on	O
September	O
13	O
,	O
2016	O
.	O
</s>
<s>
The	O
game	O
takes	O
advantage	O
of	O
the	O
iOS	B-Operating_System
10	I-Operating_System
update	O
,	O
which	O
expanded	O
how	O
users	O
could	O
interact	O
with	O
Apple	O
's	O
Messages	B-Protocol
app	O
.	O
</s>
<s>
GamePigeon	B-Operating_System
is	O
only	O
available	O
through	O
the	O
Messages	B-Protocol
app	O
,	O
which	O
allows	O
players	O
to	O
start	O
and	O
respond	O
to	O
different	O
party	O
games	O
in	O
conversations	O
.	O
</s>
<s>
The	O
app	O
was	O
first	O
released	O
on	O
September	O
13	O
,	O
2016	O
,	O
coinciding	O
with	O
the	O
launch	O
of	O
iOS	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
games	O
which	O
users	O
can	O
play	O
within	O
GamePigeon	B-Operating_System
:	O
</s>
<s>
Poker	O
was	O
one	O
of	O
the	O
games	O
included	O
in	O
GamePigeon	B-Operating_System
at	O
launch	O
,	O
although	O
it	O
has	O
since	O
been	O
removed	O
and	O
is	O
no	O
longer	O
listed	O
on	O
the	O
game	O
's	O
App	B-Application
Store	I-Application
description	O
.	O
</s>
<s>
GamePigeon	B-Operating_System
has	O
enjoyed	O
commercial	O
success	O
,	O
with	O
VentureBeat	O
noting	O
that	O
GamePigeon	B-Operating_System
was	O
ranked	O
number-one	O
in	O
the	O
"	O
Top	O
Free	O
"	O
category	O
of	O
the	O
iMessage	O
App	B-Application
Store	I-Application
,	O
six	O
months	O
after	O
its	O
release	O
.	O
</s>
<s>
Critically	O
,	O
GamePigeon	B-Operating_System
has	O
been	O
generally	O
well	O
received	O
,	O
being	O
highlighted	O
by	O
online	O
media	O
publications	O
early	O
on	O
shortly	O
after	O
the	O
iOS	B-Operating_System
10	I-Operating_System
launch	O
.	O
</s>
<s>
Based	O
on	O
over	O
162,000	O
ratings	O
,	O
the	O
game	O
holds	O
a	O
4.0	O
out	O
of	O
5	O
rating	O
on	O
the	O
App	B-Application
Store	I-Application
.	O
</s>
<s>
Julian	O
Chokkattu	O
of	O
Digital	O
Trends	O
wrote	O
"	O
GamePigeon	B-Operating_System
should	O
be	O
like	O
the	O
pre-installed	O
versions	O
of	O
Solitaire	O
and	O
Minesweeper	O
that	O
used	O
to	O
come	O
with	O
older	O
iterations	O
of	O
Windows.	O
"	O
</s>
<s>
On	O
its	O
launch	O
day	O
,	O
Boy	O
Genius	O
Report	O
included	O
it	O
on	O
a	O
list	O
of	O
"	O
10	O
of	O
the	O
best	O
iMessage	O
apps	O
,	O
games	O
and	O
stickers	O
for	O
iOS	B-Operating_System
10	I-Operating_System
on	O
launch	O
day.	O
"	O
</s>
<s>
The	O
Daily	O
Dot	O
wrote	O
,	O
"	O
GamePigeon	B-Operating_System
is	O
easily	O
the	O
best	O
current	O
gaming	O
option	O
within	O
iMessages.	O
"	O
</s>
<s>
In	O
2017	O
,	O
CNBC	O
cited	O
one	O
teenager	O
who	O
expressed	O
that	O
GamePigeon	B-Operating_System
was	O
one	O
of	O
just	O
a	O
few	O
reasons	O
that	O
those	O
in	O
her	O
age	O
range	O
use	O
the	O
iMessage	O
app	O
.	O
</s>
<s>
Snapchat	B-Application
released	O
an	O
in-message	O
games	O
app	O
called	O
Snapchat	B-Application
Games	O
.	O
</s>
<s>
The	O
VoIP	B-Application
and	O
instant	B-Application
messaging	I-Application
social	O
platform	O
Discord	B-Application
would	O
release	O
"	O
Discord	B-Application
activities	O
,	O
"	O
with	O
a	O
number	O
of	O
games	O
being	O
exclusive	O
to	O
their	O
subscription	O
,	O
Discord	B-Application
Nitro	I-Application
.	O
</s>
