<s>
Sid	B-Application
Meier	I-Application
's	I-Application
Civilization	I-Application
VI	I-Application
is	O
a	O
turn-based	O
strategy	O
4X	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Firaxis	O
Games	O
,	O
published	O
by	O
2K	O
,	O
and	O
distributed	O
by	O
Take-Two	O
Interactive	O
.	O
</s>
<s>
The	O
latest	O
entry	O
into	O
the	O
Civilization	O
series	O
,	O
it	O
was	O
released	O
on	O
Windows	O
and	O
macOS	B-Application
in	O
October	O
2016	O
,	O
with	O
later	O
ports	O
for	O
Linux	B-Application
in	O
February	O
2017	O
,	O
iOS	B-Application
in	O
December	O
2017	O
,	O
Nintendo	B-Application
Switch	I-Application
in	O
November	O
2018	O
,	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
in	O
November	O
2019	O
,	O
and	O
Android	B-Application
in	O
2020	O
.	O
</s>
<s>
Similar	O
to	O
previous	O
installments	O
,	O
the	O
goal	O
for	O
the	O
player	O
is	O
to	O
develop	O
a	O
civilization	O
from	O
an	O
early	O
settlement	O
through	O
many	O
in-game	O
millennia	O
to	O
become	O
a	O
world	O
power	O
and	O
achieve	O
one	O
of	O
several	O
victory	O
conditions	O
,	O
such	O
as	O
through	O
military	O
domination	O
,	O
technological	O
superiority	O
,	O
or	O
cultural	O
influence	O
,	O
over	O
the	O
other	O
human	O
and	O
computer-controlled	B-Application
opponents	O
.	O
</s>
<s>
New	O
to	O
Civilization	B-Application
VI	I-Application
is	O
the	O
use	O
of	O
districts	O
outside	O
the	O
city	O
center	O
to	O
house	O
most	O
of	O
the	O
buildings	O
.	O
</s>
<s>
There	O
is	O
also	O
new	O
artificial	B-Application
intelligence	I-Application
mechanics	O
for	O
computer-controlled	B-Application
opponents	O
,	O
which	O
includes	O
secret	O
goals	O
and	O
randomized	O
engagements	O
to	O
disrupt	O
an	O
otherwise	O
stable	O
game	O
.	O
</s>
<s>
The	O
game	O
's	O
first	O
major	O
expansion	O
,	O
Civilization	B-Application
VI	I-Application
:	I-Application
Rise	I-Application
and	I-Application
Fall	I-Application
,	O
was	O
released	O
in	O
February	O
2018	O
.	O
</s>
<s>
A	O
second	O
expansion	O
,	O
Civilization	B-Application
VI	I-Application
:	I-Application
Gathering	I-Application
Storm	I-Application
,	O
followed	O
in	O
February	O
2019	O
,	O
and	O
a	O
season	O
pass	O
,	O
the	O
New	O
Frontier	O
Pass	O
,	O
in	O
May	O
2020	O
.	O
</s>
<s>
Civilization	B-Application
VI	I-Application
is	O
a	O
turn-based	O
strategy	O
video	O
game	O
in	O
which	O
one	O
or	O
more	O
players	O
compete	O
alongside	O
computer-controlled	B-Application
AI	B-Application
opponents	O
to	O
grow	O
their	O
individual	O
civilization	O
from	O
a	O
small	O
tribe	O
to	O
control	O
of	O
the	O
entire	O
planet	O
across	O
several	O
periods	O
of	O
development	O
.	O
</s>
<s>
This	O
can	O
be	O
accomplished	O
by	O
achieving	O
one	O
of	O
several	O
victory	O
conditions	O
,	O
all	O
based	O
on	O
the	O
4X	B-Application
gameplay	O
elements	O
,	O
"	O
eXplore	O
,	O
eXpand	O
,	O
eXploit	O
,	O
and	O
eXterminate	O
"	O
.	O
</s>
<s>
One	O
major	O
change	O
between	O
Civilization	B-Application
V	I-Application
and	O
Civilization	B-Application
VI	I-Application
is	O
that	O
both	O
leaders	O
and	O
civilizations	O
have	O
a	O
benefit	O
.	O
</s>
<s>
The	O
Greeks	O
,	O
regardless	O
of	O
leader	O
,	O
can	O
produce	O
the	O
Hoplite	B-Application
(	O
as	O
a	O
spearman	O
replacement	O
)	O
,	O
and	O
Acropolis	O
(	O
as	O
a	O
theater	O
square	O
replacement	O
)	O
,	O
and	O
receive	O
Plato	O
's	O
Republic	O
for	O
an	O
extra	O
policy	O
slot	O
.	O
</s>
<s>
The	O
Aztecs	B-Application
,	O
led	O
by	O
Montezuma	O
I	O
,	O
was	O
a	O
pre-order	O
DLC	B-Protocol
until	O
becoming	O
free	O
to	O
all	O
players	O
on	O
January	O
19	O
,	O
2017	O
.	O
</s>
<s>
Civilization	B-Application
VI	I-Application
builds	O
upon	O
the	O
general	O
gameplay	O
of	O
Civilization	B-Application
V	I-Application
,	O
including	O
continuing	O
the	O
use	O
of	O
the	O
hex-based	O
grid	O
introduced	O
in	O
Civilization	B-Application
V	I-Application
.	O
New	O
to	O
Civilization	B-Application
VI	I-Application
is	O
the	O
idea	O
of	O
"	O
city	O
unstacking	O
"	O
:	O
some	O
improvements	O
to	O
cities	O
must	O
be	O
placed	O
in	O
the	O
hexes	O
in	O
the	O
bounds	O
of	O
the	O
city	O
but	O
not	O
within	O
the	O
city	O
's	O
space	O
itself	O
,	O
whereas	O
in	O
previous	O
games	O
,	O
all	O
improvements	O
were	O
considered	O
stacked	O
on	O
the	O
same	O
map	O
hex	O
or	O
square	O
that	O
the	O
city	O
was	O
located	O
in	O
.	O
</s>
<s>
In	O
order	O
to	O
reduce	O
congestion	O
on	O
the	O
map	O
,	O
players	O
are	O
able	O
to	O
perform	O
a	O
limited	O
amount	O
of	O
unit	O
stacking	O
(	O
a	O
change	O
from	O
Civilization	B-Application
V	I-Application
)	O
,	O
but	O
are	O
only	O
able	O
to	O
stack	O
similar	O
unit	O
types	O
or	O
symbiotic	O
units	O
.	O
</s>
<s>
In	O
Civilization	B-Application
VI	I-Application
,	O
the	O
government	O
is	O
defined	O
by	O
placing	O
appropriate	O
and	O
available	O
policies	O
into	O
a	O
number	O
of	O
slots	O
divided	O
among	O
the	O
Military	O
,	O
Economic	O
,	O
Diplomatic	O
,	O
and	O
Wildcard	O
categories	O
.	O
</s>
<s>
Various	O
choices	O
made	O
by	O
the	O
player	O
may	O
cause	O
unhappiness	O
in	O
their	O
population	O
as	O
with	O
previous	O
games	O
,	O
but	O
in	O
Civilization	B-Application
VI	I-Application
,	O
many	O
of	O
these	O
were	O
localized	O
to	O
the	O
city	O
affected	O
by	O
the	O
choice	O
rather	O
than	O
the	O
entire	O
population	O
,	O
further	O
aiding	O
towards	O
Cultural	O
victory-style	O
players	O
.	O
</s>
<s>
The	O
Religion	O
system	O
introduced	O
in	O
Civilization	B-Application
Vs	I-Application
Gods	O
&	O
Kings	O
expansion	O
is	O
built	O
further	O
upon	O
in	O
VI	O
,	O
featuring	O
more	O
units	O
and	O
improvements	O
that	O
can	O
lead	O
to	O
interreligious	O
conflicts	O
.	O
</s>
<s>
AI	B-Application
opponents	O
have	O
new	O
agendas	O
that	O
influence	O
player	O
interactions	O
.	O
</s>
<s>
Each	O
AI	B-Application
character	O
also	O
has	O
a	O
second	O
hidden	O
agenda	O
,	O
which	O
can	O
only	O
be	O
revealed	O
through	O
espionage	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
by	O
the	O
same	O
Firaxis	O
Games	O
team	O
that	O
developed	O
the	O
expansions	O
on	O
Civilization	B-Application
V	I-Application
,	O
and	O
most	O
of	O
the	O
new	O
mechanics	O
introduced	O
in	O
these	O
were	O
present	O
in	O
Civilization	B-Application
VI	I-Application
at	O
its	O
launch	O
.	O
</s>
<s>
A	O
major	O
foundation	O
of	O
the	O
development	O
of	O
Civilization	B-Application
VI	I-Application
was	O
to	O
prevent	O
players	O
from	O
following	O
routines	O
in	O
playing	O
through	O
a	O
game	O
,	O
according	O
to	O
lead	O
designer	O
Ed	O
Beach	O
.	O
</s>
<s>
The	O
developers	O
placed	O
much	O
more	O
emphasis	O
on	O
the	O
significance	O
of	O
the	O
procedurally-generated	O
map	O
in	O
how	O
it	O
would	O
influence	O
the	O
player	O
's	O
strategy	O
as	O
the	O
game	O
progressed	O
,	O
so	O
that	O
no	O
game	O
of	O
Civilization	B-Application
VI	I-Application
would	O
be	O
the	O
same	O
.	O
</s>
<s>
Such	O
changes	O
were	O
also	O
the	O
result	O
of	O
design	O
choices	O
made	O
by	O
Civilization	B-Application
Vs	I-Application
lead	O
designer	O
Jon	O
Shafer	O
during	O
its	O
development	O
,	O
such	O
as	O
the	O
unstacking	O
of	O
player	O
units	O
.	O
</s>
<s>
These	O
changes	O
in	O
Civilization	B-Application
V	I-Application
exposed	O
other	O
weak	O
areas	O
of	O
the	O
core	O
gameplay	O
of	O
the	O
series	O
,	O
specifically	O
how	O
cities	O
were	O
simply	O
seen	O
as	O
places	O
to	O
dump	O
improvements	O
and	O
Wonders	O
with	O
little	O
effect	O
on	O
the	O
map	O
,	O
according	O
to	O
producer	O
Dennis	O
Shirk	O
.	O
</s>
<s>
Beach	O
,	O
as	O
lead	O
designer	O
for	O
Civilization	B-Application
VI	I-Application
,	O
wanted	O
to	O
improve	O
upon	O
these	O
weaknesses	O
,	O
desiring	O
to	O
make	O
the	O
game	O
map	O
"	O
just	O
as	O
important	O
as	O
anything	O
else	O
in	O
the	O
game	O
"	O
,	O
and	O
took	O
the	O
step	O
to	O
unstack	O
the	O
cities	O
to	O
accomplish	O
this	O
,	O
following	O
in	O
how	O
Schafer	O
took	O
to	O
unstack	O
unit	O
tiles	O
in	O
Civilization	B-Application
V	I-Application
.	O
According	O
to	O
Beach	O
,	O
these	O
features	O
add	O
city	O
management	O
elements	O
similar	O
to	O
those	O
found	O
in	O
city-building	B-Application
games	I-Application
,	O
and	O
force	O
players	O
to	O
make	O
decisions	O
based	O
on	O
the	O
geographical	O
location	O
of	O
the	O
city	O
,	O
instead	O
of	O
sticking	O
to	O
a	O
specific	O
city	O
improvement	O
route	O
.	O
</s>
<s>
Senior	O
gameplay	O
designer	O
Anton	O
Strenger	O
compared	O
their	O
approach	O
towards	O
the	O
development	O
of	O
the	O
computer	B-Application
opponents	I-Application
,	O
with	O
main	O
and	O
hidden	O
agendas	O
,	O
similar	O
to	O
concepts	O
they	O
had	O
used	O
in	O
Rising	B-Application
Tide	I-Application
expansion	O
for	O
Civilization	B-Application
:	I-Application
Beyond	I-Application
Earth	I-Application
.	O
</s>
<s>
Beach	O
previously	O
designed	O
a	O
system	O
in	O
the	O
Civilization	B-Application
V	I-Application
:	I-Application
Brave	I-Application
New	I-Application
World	I-Application
expansion	O
that	O
gave	O
a	O
"	O
Mayhem	O
level	O
"	O
in	O
the	O
computer	B-Application
opponents	I-Application
.	O
</s>
<s>
The	O
Mayhem	O
level	O
was	O
used	O
in	O
Civilization	B-Application
VI	I-Application
,	O
as	O
according	O
to	O
Shirk	O
,	O
it	O
is	O
a	O
"	O
really	O
interesting	O
way	O
of	O
making	O
sure	O
that	O
there	O
's	O
always	O
something	O
that	O
's	O
going	O
to	O
pull	O
the	O
player	O
away	O
from	O
what	O
they	O
're	O
doing	O
or	O
what	O
they	O
're	O
focused	O
on	O
all	O
the	O
time	O
"	O
.	O
</s>
<s>
Whereas	O
the	O
process	O
of	O
tuning	O
this	O
for	O
Brave	O
New	O
World	O
required	O
manual	O
playthroughs	O
of	O
the	O
game	O
,	O
Firaxis	O
had	O
set	O
up	O
several	O
computers	O
in	O
their	O
offices	O
to	O
run	O
Civilization	B-Application
VI	I-Application
,	O
using	O
only	O
computer-controlled	B-Application
opponents	O
;	O
the	O
results	O
and	O
behaviors	O
of	O
these	O
games	O
were	O
reviewed	O
by	O
the	O
part	O
of	O
the	O
team	O
dedicated	O
to	O
the	O
artificial	B-Application
intelligence	I-Application
systems	O
and	O
used	O
to	O
balance	O
the	O
Mayhem	O
level	O
.	O
</s>
<s>
The	O
developers	O
planned	O
to	O
bring	O
back	O
the	O
movies	O
they	O
had	O
shown	O
players	O
upon	O
completion	O
of	O
a	O
Wonder	O
from	O
Civilization	B-Application
IV	I-Application
,	O
but	O
are	O
now	O
rendered	O
in	O
the	O
game	O
,	O
and	O
as	O
to	O
make	O
the	O
final	O
shot	O
of	O
the	O
Wonder	O
more	O
impressive	O
,	O
they	O
developed	O
a	O
day-night	O
cycle	O
that	O
continues	O
on	O
in	O
the	O
game	O
.	O
</s>
<s>
The	O
game	O
uses	O
a	O
more	O
cartoonish	O
look	O
than	O
those	O
of	O
Civilization	B-Application
V	I-Application
,	O
as	O
according	O
to	O
Firaxis	O
,	O
with	O
much	O
deeper	O
gameplay	O
,	O
they	O
wanted	O
to	O
keep	O
the	O
visuals	O
simple	O
to	O
avoid	O
interfering	O
with	O
the	O
complexity	O
of	O
gameplay	O
.	O
</s>
<s>
Composer	O
Christopher	O
Tin	O
,	O
who	O
wrote	O
"	O
Baba	O
Yetu	O
"	O
,	O
the	O
Grammy-winning	O
theme	O
song	O
for	O
Civilization	B-Application
IV	I-Application
,	O
returned	O
to	O
write	O
Civilization	B-Application
VIs	I-Application
main	O
theme	O
,	O
"	O
Sogno	O
di	O
Volare	O
"	O
(	O
translated	O
as	O
"	O
The	O
Dream	O
of	O
Flight	O
"	O
)	O
.	O
</s>
<s>
Civilization	B-Application
VI	I-Application
was	O
released	O
for	O
Windows	O
on	O
October	O
21	O
,	O
2016	O
.	O
</s>
<s>
At	O
that	O
time	O
,	O
Aspyr	O
had	O
been	O
evaluating	O
the	O
feasibility	O
of	O
porting	O
the	O
title	O
to	O
Linux	B-Application
operating	I-Application
systems	I-Application
due	O
to	O
a	O
large	O
number	O
of	O
requests	O
from	O
players	O
,	O
and	O
announced	O
in	O
January	O
2017	O
that	O
they	O
planned	O
to	O
go	O
ahead	O
and	O
complete	O
the	O
Linux	B-Application
port	O
,	O
which	O
was	O
eventually	O
released	O
in	O
February	O
2017	O
.	O
</s>
<s>
A	O
version	O
for	O
iPad	O
was	O
released	O
in	O
December	O
2017	O
,	O
while	O
a	O
general	O
iOS	B-Application
version	O
(	O
supporting	O
iPhones	B-Device
)	O
was	O
released	O
on	O
October	O
4	O
,	O
2018	O
.	O
</s>
<s>
The	O
Rise	O
&	O
Fall	O
expansion	O
was	O
released	O
for	O
iOS	B-Application
on	O
July	O
24	O
,	O
2019	O
,	O
while	O
Gathering	O
Storm	O
was	O
released	O
on	O
November	O
22	O
,	O
2019	O
.	O
</s>
<s>
A	O
port	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
was	O
announced	O
in	O
September	O
2018	O
and	O
was	O
released	O
on	O
November	O
16	O
,	O
2018	O
.	O
</s>
<s>
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
ports	O
were	O
announced	O
in	O
September	O
2019	O
.	O
</s>
<s>
Both	O
were	O
released	O
on	O
November	O
22	O
,	O
2019	O
,	O
alongside	O
the	O
Rise	O
and	O
Fall	O
and	O
Gathering	O
Storm	O
expansions	O
as	O
separate	O
and	O
bundled	O
downloadable	B-Protocol
content	I-Protocol
.	O
</s>
<s>
A	O
version	O
for	O
Android	B-Application
was	O
released	O
on	O
August	O
13	O
,	O
2020	O
.	O
</s>
<s>
The	O
Khmer	O
and	O
Indonesia	O
Civilization	O
and	O
Scenario	O
Pack	O
adds	O
the	O
Khmer	O
civilization	O
led	O
by	O
Jayavarman	O
VII	O
,	O
the	O
Indonesian	O
civilization	O
led	O
by	O
Dyah	O
Gitarja	O
,	O
and	O
the	O
"	O
Path	O
to	O
Nirvana	B-General_Concept
"	O
scenario	O
.	O
</s>
<s>
The	O
game	O
also	O
re-introduced	O
the	O
Diplomatic	O
victory	O
type	O
,	O
which	O
last	O
appeared	O
in	O
Civilization	B-Application
V	I-Application
.	O
</s>
<s>
Firaxis	O
announced	O
in	O
May	O
2020	O
a	O
"	O
New	O
Frontier	O
Pass	O
"	O
season	O
pass	O
for	O
the	O
game	O
,	O
consisting	O
of	O
six	O
downloadable	B-Protocol
content	I-Protocol
packs	O
,	O
each	O
to	O
be	O
released	O
every	O
two	O
months	O
from	O
May	O
until	O
March	O
2021	O
.	O
</s>
<s>
The	O
third	O
pack	O
introduced	O
the	O
Byzantine	O
and	O
Gaulish	B-Application
civilizations	O
,	O
led	O
by	O
Basil	O
II	O
and	O
Ambiorix	O
,	O
respectively	O
;	O
a	O
new	O
map	O
called	O
"	O
Highlands	O
"	O
;	O
and	O
two	O
new	O
world	O
wonders	O
—	O
the	O
Biosphere	O
and	O
Statue	O
of	O
Zeus	O
.	O
</s>
<s>
The	O
sixth	O
and	O
final	O
pack	O
introduced	O
the	O
Portuguese	O
civilization	O
,	O
led	O
by	O
João	O
III	O
;	O
two	O
new	O
wonders	O
—	O
the	O
Belém	O
Tower	O
and	O
the	O
Etemenanki	O
;	O
a	O
new	O
map	O
called	O
"	O
Wetlands	O
"	O
;	O
and	O
the	O
"	O
Zombie	B-Application
Defense	O
"	O
mode	O
,	O
which	O
includes	O
zombies	B-Application
,	O
units	O
that	O
occasionally	O
spawn	O
on	O
the	O
map	O
and	O
attack	O
other	O
units	O
,	O
turning	O
them	O
into	O
other	O
zombies	B-Application
after	O
killing	O
them	O
.	O
</s>
<s>
The	O
mode	O
also	O
includes	O
unique	O
elements	O
that	O
can	O
allow	O
a	O
player	O
to	O
better	O
defend	O
against	O
zombies	B-Application
or	O
use	O
them	O
against	O
other	O
players	O
.	O
</s>
<s>
On	O
November	O
14th	O
,	O
2022	O
,	O
Firaxis	O
posted	O
a	O
tweet	O
regarding	O
an	O
announcement	O
for	O
a	O
new	O
DLC	B-Protocol
the	O
following	O
day	O
.	O
</s>
<s>
Later	O
packs	O
featured	O
Elizabeth	O
of	O
England	O
,	O
Ramses	O
of	O
Egypt	O
,	O
Yongle	O
and	O
Wu	O
Zetian	O
of	O
China	O
,	O
Sejong	O
of	O
Korea	O
,	O
Sundiata	O
Keita	O
of	O
Mali	O
,	O
Ludwig	O
II	O
of	O
Germany	O
,	O
Nader	O
Shah	O
of	O
Persia	O
,	O
Theodora	O
of	O
Byzantium	O
,	O
and	O
Tokugawa	O
of	O
Japan	O
;	O
as	O
well	O
as	O
personas	O
for	O
Qin	O
Shi	O
Huang	O
,	O
Cleopatra	B-Application
,	O
Suleiman	O
,	O
Harald	O
Hardrada	O
,	O
and	O
Victoria	O
.	O
</s>
<s>
On	O
November	O
17	O
,	O
it	O
was	O
announced	O
that	O
Julius	O
Caesar	O
would	O
lead	O
Rome	O
,	O
being	O
a	O
free	O
leader	O
released	O
on	O
November	O
21	O
after	O
linking	O
your	O
2K	O
Games	O
account	O
to	O
Civilization	B-Application
VI	I-Application
.	O
</s>
<s>
Civilization	B-Application
VI	I-Application
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
Take	O
Two	O
stated	O
that	O
Civilization	B-Application
VI	I-Application
was	O
on	O
track	O
to	O
surpass	O
Civilization	B-Application
Vs	I-Application
lifetime	O
sales	O
of	O
eight	O
million	O
copies	O
.	O
</s>
<s>
In	O
August	O
2017	O
,	O
Fantasy	O
Flight	O
Games	O
announced	O
that	O
they	O
would	O
be	O
publishing	O
Civilization	O
:	O
A	O
New	O
Dawn	O
,	O
a	O
board	O
game	O
building	O
upon	O
their	O
2010	O
release	O
Civilization	O
:	O
The	O
Board	O
Game	O
,	O
incorporating	O
new	O
mechanics	O
and	O
features	O
based	O
on	O
Civilization	B-Application
VI	I-Application
.	O
</s>
