<s>
Civilization	B-Application
World	I-Application
was	O
a	O
massively	B-Application
multiplayer	I-Application
online	I-Application
Flash	B-Operating_System
game	O
in	O
the	O
Civilization	O
game	O
series	O
,	O
developed	O
by	O
Sid	O
Meier	O
and	O
Firaxis	O
Games	O
.	O
</s>
<s>
It	O
was	O
launched	O
on	O
July	O
6	O
,	O
2011	O
on	O
Facebook	B-Application
with	O
the	O
original	O
name	O
Civilization	B-Application
Network	I-Application
;	O
the	O
game	O
title	O
was	O
officially	O
changed	O
to	O
Civilization	B-Application
World	I-Application
on	O
January	O
6	O
,	O
2012	O
.	O
</s>
<s>
Civilization	B-Application
World	I-Application
contained	O
many	O
gameplay	O
elements	O
featured	O
in	O
previous	O
Civilization	O
installments	O
such	O
as	O
building	O
houses	O
,	O
farming	O
lands	O
,	O
researching	O
science	O
,	O
collecting	O
gold	O
and	O
expanding	O
communities	O
over	O
several	O
eras	O
.	O
</s>
<s>
Civilization	B-Application
World	I-Application
featured	O
online	O
compatibility	O
and	O
had	O
a	O
heavy	O
emphasis	O
on	O
multiplayer	O
which	O
allowed	O
player-to-player	O
interaction	O
.	O
</s>
<s>
According	O
to	O
an	O
early	O
(	O
October	O
2009	O
)	O
announcement	O
from	O
Sid	O
Meier	O
,	O
Civilization	B-Application
World	I-Application
was	O
intended	O
to	O
offer	O
"	O
everything	O
you	O
enjoy	O
in	O
Civ	O
in	O
a	O
fully	O
persistent	O
environment	O
—	O
you	O
can	O
play	O
as	O
much	O
as	O
you	O
like	O
,	O
whenever	O
you	O
like	O
,	O
and	O
it	O
'll	O
be	O
free	O
to	O
play.	O
"	O
</s>
<s>
From	O
May	O
to	O
September	O
2010	O
,	O
the	O
official	O
2K	O
Games	O
team	O
offered	O
no	O
updates	O
regarding	O
Civilization	B-Application
World	I-Application
,	O
causing	O
many	O
followers	O
to	O
believe	O
the	O
entire	O
project	O
had	O
been	O
scrapped	O
(	O
or	O
indeed	O
,	O
never	O
existed	O
in	O
the	O
first	O
place	O
)	O
.	O
</s>
<s>
In	O
August	O
,	O
2K	O
Games	O
 '	O
Community	O
Manager	O
"	O
2K	O
Greg	O
"	O
announced	O
that	O
Civilization	B-Application
World	I-Application
was	O
,	O
however	O
,	O
still	O
very	O
much	O
alive	O
.	O
</s>
<s>
In	O
November	O
2010	O
,	O
Take-Two	O
'	O
s	O
soon-to-be	O
CEO	O
(	O
then	O
the	O
company	O
's	O
Executive	O
Chairman	O
)	O
Strauss	O
Zelnick	O
confirmed	O
once	O
again	O
that	O
Civilization	B-Application
World	I-Application
was	O
still	O
in	O
production	O
,	O
with	O
the	O
planned	O
release	O
date	O
set	O
for	O
sometime	O
in	O
2011	O
.	O
</s>
<s>
On	O
July	O
6	O
,	O
2011	O
Civilization	B-Application
World	I-Application
entered	O
open	O
beta	O
and	O
was	O
made	O
available	O
to	O
the	O
public	O
.	O
</s>
<s>
On	O
February	O
28	O
,	O
2013	O
,	O
it	O
was	O
announced	O
that	O
the	O
last	O
day	O
of	O
play	O
for	O
CivWorld	B-Application
would	O
be	O
May	O
29	O
,	O
2013	O
.	O
</s>
