<s>
Advance	B-Application
Wars	I-Application
:	I-Application
Days	I-Application
of	I-Application
Ruin	I-Application
,	O
released	O
as	O
Advance	B-Application
Wars	I-Application
:	I-Application
Dark	I-Application
Conflict	I-Application
in	O
Europe	O
and	O
Australia	O
,	O
is	O
a	O
turn-based	O
strategy	O
video	O
game	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
handheld	B-Application
game	I-Application
console	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
installment	O
in	O
the	O
Advance	B-Application
Wars	I-Application
series	O
after	O
Advance	B-Application
Wars	I-Application
:	I-Application
Dual	I-Application
Strike	I-Application
and	O
was	O
released	O
in	O
2008	O
for	O
North	O
America	O
on	O
January	O
21	O
;	O
in	O
Europe	O
on	O
January	O
25	O
;	O
and	O
in	O
Australia	O
on	O
February	O
21	O
.	O
</s>
<s>
It	O
finally	O
became	O
available	O
in	O
Japan	O
through	O
Club	O
Nintendo	O
in	O
October	O
2013	O
as	O
a	O
downloadable	O
platinum	O
status	O
reward	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
family	O
of	O
systems	O
.	O
</s>
<s>
Days	B-Application
of	I-Application
Ruin	I-Application
features	O
a	O
darker	O
and	O
more	O
serious	O
tone	O
and	O
atmosphere	O
in	O
contrast	O
to	O
the	O
previous	O
installments	O
,	O
with	O
a	O
new	O
storyline	O
and	O
setting	O
independent	O
of	O
the	O
previous	O
games	O
.	O
</s>
<s>
The	O
primary	O
objective	O
in	O
Days	B-Application
of	I-Application
Ruin	I-Application
is	O
for	O
the	O
player	O
to	O
use	O
their	O
military	O
force	O
to	O
defeat	O
the	O
enemy	O
's	O
force	O
.	O
</s>
<s>
Tag	O
powers	O
from	O
Dual	B-Application
Strike	I-Application
,	O
which	O
allowed	O
players	O
to	O
move	O
twice	O
in	O
one	O
turn	O
,	O
have	O
been	O
removed	O
.	O
</s>
<s>
One	O
new	O
feature	O
in	O
Days	B-Application
of	I-Application
Ruin	I-Application
is	O
that	O
campaign	O
missions	O
can	O
now	O
be	O
played	O
individually	O
as	O
the	O
player	O
completes	O
them	O
.	O
</s>
<s>
In	O
a	O
departure	O
from	O
the	O
previous	O
games	O
,	O
which	O
included	O
five	O
factions	O
in	O
the	O
campaign	O
,	O
Days	B-Application
of	I-Application
Ruin	I-Application
features	O
only	O
four	O
:	O
the	O
Rubinelle	O
12th	O
Battalion	O
(	O
Red	O
)	O
,	O
Lazurian	O
Army	O
(	O
Blue	O
)	O
,	O
New	B-Application
Rubinelle	I-Application
Army	I-Application
(	O
Yellow	O
)	O
,	O
and	O
Intelligent	O
Defense	O
Systems	O
(	O
Black	O
)	O
,	O
although	O
The	O
Beast	O
(	O
also	O
Black	O
and	O
also	O
allied	O
with	O
IDS	O
)	O
could	O
be	O
considered	O
a	O
separate	O
faction	O
.	O
</s>
<s>
In	O
a	O
first	O
for	O
the	O
series	O
,	O
Days	B-Application
of	I-Application
Ruin	I-Application
includes	O
online	B-Application
multiplayer	I-Application
via	O
the	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
service	O
,	O
as	O
well	O
as	O
a	O
feature	O
for	O
players	O
to	O
share	O
their	O
own	O
custom	O
map	O
designs	O
and	O
download	O
maps	O
made	O
by	O
others	O
(	O
creating	O
and	O
sharing	O
custom	O
maps	O
is	O
a	O
feature	O
present	O
in	O
every	O
Advance	B-Application
Wars	I-Application
game	O
)	O
.	O
</s>
<s>
Multiplayer	O
games	O
can	O
be	O
played	O
with	O
only	O
one	O
DS	B-Device
game	O
card	O
via	O
a	O
hot-seat	O
mechanic	O
;	O
each	O
player	O
can	O
pass	O
the	O
game	O
to	O
the	O
next	O
player	O
when	O
it	O
is	O
their	O
turn	O
.	O
</s>
<s>
When	O
players	O
create	O
and	O
upload	O
their	O
own	O
custom	O
maps	O
to	O
the	O
Wi-Fi	B-Application
Connection	I-Application
,	O
these	O
maps	O
can	O
be	O
tested	O
and	O
given	O
approval	O
ratings	O
by	O
other	O
players	O
from	O
around	O
the	O
world	O
.	O
</s>
<s>
Players	O
can	O
download	O
randomly	O
selected	O
maps	O
from	O
the	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
,	O
or	O
they	O
can	O
choose	O
maps	O
based	O
on	O
their	O
approval	O
ratings	O
.	O
</s>
<s>
When	O
using	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
for	O
online	B-Application
multiplayer	I-Application
,	O
the	O
player	O
can	O
choose	O
between	O
a	O
match	O
with	O
a	O
random	O
opponent	O
from	O
around	O
the	O
world	O
,	O
or	O
a	O
match	O
with	O
someone	O
that	O
the	O
player	O
has	O
exchanged	O
friend	O
codes	O
with	O
.	O
</s>
<s>
Voice	O
chat	O
is	O
only	O
supported	O
when	O
playing	O
with	O
a	O
friend	O
,	O
and	O
is	O
unavailable	O
during	O
worldwide	O
online	B-Application
play	I-Application
.	O
</s>
<s>
Players	O
also	O
have	O
the	O
option	O
of	O
using	O
local	O
multiplayer	O
,	O
which	O
requires	O
that	O
each	O
player	O
have	O
a	O
separate	O
DS	B-Device
game	O
card	O
and	O
increases	O
the	O
limit	O
of	O
those	O
who	O
can	O
participate	O
to	O
between	O
2-4	O
players	O
.	O
</s>
<s>
28	O
classic	O
maps	O
from	O
previous	O
Advance	B-Application
Wars	I-Application
games	O
,	O
70	O
two-player	O
maps	O
,	O
32	O
three-player	O
maps	O
,	O
and	O
30	O
four-player	O
maps	O
are	O
all	O
playable	O
with	O
local	O
multiplayer	O
.	O
</s>
<s>
Also	O
,	O
like	O
in	O
previous	O
games	O
,	O
there	O
is	O
an	O
option	O
to	O
use	O
one	O
DS	B-Device
system	O
and	O
game	O
card	O
to	O
play	O
with	O
up	O
to	O
four	O
players	O
.	O
</s>
<s>
Via	O
a	O
hot-seat	O
system	O
,	O
the	O
player	O
plays	O
their	O
turn	O
and	O
then	O
passes	O
the	O
DS	B-Device
to	O
the	O
next	O
player	O
in	O
order	O
.	O
</s>
<s>
The	O
story	O
of	O
Days	B-Application
of	I-Application
Ruin	I-Application
is	O
unconnected	O
to	O
the	O
stories	O
of	O
previous	O
games	O
.	O
</s>
<s>
One	O
year	O
after	O
the	O
meteor	O
strikes	O
,	O
the	O
12th	O
Battalion	O
comes	O
into	O
contact	O
with	O
the	O
New	B-Application
Rubinelle	I-Application
Army	I-Application
,	O
and	O
learns	O
of	O
the	O
war	O
raging	O
between	O
the	O
Lazurian	O
Army	O
and	O
the	O
NRA	O
.	O
</s>
<s>
Days	B-Application
of	I-Application
Ruin	I-Application
was	O
announced	O
as	O
Advance	B-Application
Wars	I-Application
DS	I-Application
2	O
during	O
the	O
2007	O
E3	O
Media	O
and	O
Business	O
Summit	O
.	O
</s>
<s>
The	O
game	O
's	O
title	O
was	O
officially	O
released	O
as	O
Advance	B-Application
Wars	I-Application
:	I-Application
Days	I-Application
of	I-Application
Ruin	I-Application
for	O
the	O
North	O
American	O
version	O
,	O
with	O
a	O
planned	O
shipping	O
date	O
of	O
January	O
21	O
,	O
2008	O
;	O
the	O
alternate	O
name	O
of	O
Advance	B-Application
Wars	I-Application
:	I-Application
Dark	I-Application
Conflict	I-Application
for	O
European	O
and	O
Australian	O
versions	O
was	O
released	O
in	O
early	O
December	O
.	O
</s>
<s>
Advance	B-Application
Wars	I-Application
:	I-Application
Days	I-Application
of	I-Application
Ruin	I-Application
features	O
a	O
different	O
art	O
style	O
and	O
tone	O
than	O
previous	O
entries	O
in	O
the	O
series	O
.	O
</s>
<s>
Another	O
major	O
influence	O
on	O
the	O
new	O
direction	O
was	O
sales	O
data	O
;	O
Advance	B-Application
Wars	I-Application
was	O
more	O
successful	O
in	O
North	O
America	O
than	O
in	O
Japan	O
.	O
</s>
<s>
They	O
added	O
that	O
they	O
also	O
wanted	O
to	O
make	O
an	O
Advance	B-Application
Wars	I-Application
title	O
that	O
even	O
veterans	O
of	O
the	O
series	O
would	O
find	O
fresh	O
.	O
</s>
<s>
When	O
asked	O
if	O
Days	B-Application
of	I-Application
Ruin	I-Application
was	O
an	O
attempt	O
to	O
bridge	O
this	O
series	O
with	O
fellow	O
Intelligent	O
Systems	O
series	O
Fire	B-Application
Emblem	I-Application
,	O
developers	O
commented	O
that	O
while	O
the	O
increase	O
in	O
volume	O
may	O
make	O
it	O
seem	O
like	O
that	O
was	O
the	O
case	O
,	O
it	O
was	O
not	O
their	O
intention	O
.	O
</s>
<s>
They	O
explained	O
that	O
while	O
Fire	B-Application
Emblem	I-Application
placed	O
importance	O
on	O
individual	O
units	O
,	O
Advance	B-Application
Wars	I-Application
was	O
about	O
improving	O
as	O
a	O
Commanding	O
Officer	O
.	O
</s>
<s>
When	O
asked	O
why	O
the	O
Duster	O
,	O
a	O
modified	O
crop	O
duster	O
,	O
was	O
added	O
in	O
favor	O
of	O
the	O
stealth	O
jet	O
from	O
the	O
game	O
's	O
predecessor	O
Advance	B-Application
Wars	I-Application
:	I-Application
Dual	I-Application
Strike	I-Application
,	O
the	O
developers	O
commented	O
that	O
the	O
Duster	O
was	O
an	O
inexpensive	O
aerial	O
unit	O
that	O
was	O
not	O
only	O
easy	O
to	O
use	O
,	O
but	O
could	O
attack	O
ground	O
units	O
as	O
well	O
.	O
</s>
<s>
In	O
discussing	O
the	O
newly	O
introduced	O
online	B-Application
play	I-Application
,	O
the	O
developers	O
felt	O
that	O
it	O
was	O
necessary	O
to	O
limit	O
online	O
battles	O
to	O
only	O
two	O
people	O
per	O
battle	O
,	O
explaining	O
that	O
they	O
felt	O
it	O
would	O
be	O
too	O
boring	O
for	O
a	O
player	O
to	O
have	O
to	O
sit	O
and	O
stare	O
at	O
a	O
screen	O
while	O
three	O
other	O
people	O
made	O
their	O
moves	O
.	O
</s>
<s>
The	O
developers	O
commented	O
that	O
Days	B-Application
of	I-Application
Ruin	I-Application
had	O
more	O
strategy	O
than	O
previous	O
entries	O
in	O
the	O
series	O
due	O
to	O
the	O
changes	O
and	O
removals	O
made	O
to	O
the	O
established	O
formula	O
compared	O
to	O
the	O
other	O
titles	O
.	O
</s>
<s>
The	O
ability	O
to	O
level	O
up	O
players	O
 '	O
COs	O
was	O
introduced	O
in	O
Dual	B-Application
Strike	I-Application
,	O
the	O
developers	O
commenting	O
that	O
the	O
gameplay	O
centered	O
around	O
how	O
well	O
players	O
utilized	O
their	O
Commanding	O
Officer	O
.	O
</s>
<s>
The	O
European	O
and	O
Australian	O
release	O
,	O
Dark	B-Application
Conflict	I-Application
,	O
is	O
identical	O
to	O
the	O
North	O
American	O
release	O
,	O
Days	B-Application
of	I-Application
Ruin	I-Application
,	O
in	O
terms	O
of	O
the	O
storyline	O
,	O
gameplay	O
,	O
and	O
features	O
.	O
</s>
<s>
Advance	B-Application
Wars	I-Application
:	I-Application
Days	I-Application
of	I-Application
Ruin	I-Application
has	O
received	O
generally	O
positive	O
reviews	O
,	O
having	O
aggregate	B-Application
scores	I-Application
of	O
85	O
and	O
86	O
on	O
GameRankings	O
and	O
Metacritic	O
,	O
respectively	O
.	O
</s>
<s>
Nintendo	B-Application
Power	I-Application
gave	O
a	O
positive	O
rating	O
,	O
calling	O
the	O
game	O
"	O
comfortingly	O
familiar	O
"	O
with	O
battles	O
that	O
are	O
"	O
more	O
approachable	O
than	O
before	O
"	O
.	O
</s>
<s>
Online	B-Application
multiplayer	I-Application
was	O
noted	O
as	O
taking	O
"	O
wireless	O
connectivity	O
and	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
further	O
than	O
any	O
game	O
that	O
has	O
preceded	O
it	O
"	O
.	O
</s>
<s>
One	O
of	O
the	O
main	O
flaws	O
of	O
Days	B-Application
of	I-Application
Ruin	I-Application
was	O
identified	O
as	O
a	O
lack	O
of	O
gameplay	O
innovation	O
.	O
</s>
<s>
1UP.com	O
praised	O
the	O
new	O
turn	O
Days	B-Application
of	I-Application
Ruin	I-Application
has	O
taken	O
for	O
the	O
series	O
,	O
but	O
noted	O
that	O
the	O
storyline	O
,	O
while	O
darker	O
than	O
before	O
,	O
was	O
still	O
close	O
in	O
tone	O
to	O
the	O
humor	O
of	O
the	O
previous	O
games	O
.	O
</s>
<s>
The	O
game	O
was	O
criticized	O
for	O
the	O
removal	O
of	O
several	O
staple	O
features	O
of	O
the	O
series	O
,	O
but	O
complimented	O
the	O
new	O
online	B-Application
play	I-Application
feature	O
as	O
being	O
"	O
the	O
most	O
balanced	O
Advance	B-Application
Wars	I-Application
experience	O
"	O
.	O
</s>
<s>
IGN	O
named	O
Advance	B-Application
Wars	I-Application
:	I-Application
Days	I-Application
of	I-Application
Ruin	I-Application
the	O
Best	O
Online	B-Application
Multiplayer	I-Application
Game	O
of	O
2008	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
In	O
North	O
America	O
,	O
Days	B-Application
of	I-Application
Ruin	I-Application
sold	O
over	O
81,000	O
copies	O
in	O
January	O
after	O
its	O
release	O
,	O
and	O
close	O
to	O
50,300	O
copies	O
in	O
February	O
,	O
bringing	O
total	O
sales	O
in	O
the	O
region	O
to	O
over	O
130,000	O
as	O
of	O
March	O
2008	O
.	O
</s>
