<s>
Defense	B-Application
Grid	I-Application
:	I-Application
The	I-Application
Awakening	I-Application
is	O
a	O
tower	B-Application
defense	I-Application
video	O
game	O
developed	O
by	O
Hidden	O
Path	O
Entertainment	O
for	O
Windows	B-Application
and	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
December	O
8	O
,	O
2008	O
,	O
and	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
on	O
September	O
2	O
,	O
2009	O
.	O
</s>
<s>
The	O
OS	B-Operating_System
X	I-Operating_System
version	O
shipped	O
from	O
Virtual	O
Programming	O
on	O
July	O
7	O
,	O
2010	O
.	O
</s>
<s>
New	O
levels	O
provided	O
as	O
downloadable	B-Protocol
content	I-Protocol
have	O
been	O
developed	O
in	O
the	O
two	O
years	O
since	O
the	O
game	O
's	O
initial	O
release	O
.	O
</s>
<s>
From	O
July	O
1	O
to	O
July	O
16	O
of	O
2013	O
,	O
Microsoft	O
made	O
the	O
game	O
available	O
free	O
to	O
Xbox	B-Operating_System
360	I-Operating_System
Gold	O
members	O
.	O
</s>
<s>
The	O
tower	B-Application
defenses	I-Application
are	O
supplemented	O
by	O
the	O
use	O
of	O
an	O
orbital	O
laser	O
which	O
completely	O
destroys	O
all	O
aliens	O
in	O
its	O
blast	O
zone	O
in	O
one	O
strike	O
.	O
</s>
<s>
Defense	B-Application
Grid	I-Application
can	O
be	O
viewed	O
at	O
three	O
different	O
levels	O
of	O
zoom	O
.	O
</s>
<s>
A	O
Steam	B-Application
leaderboard	O
that	O
provides	O
a	O
comparative	O
ranking	O
of	O
player	O
's	O
game	O
scores	O
and	O
other	O
statistics	O
is	O
available	O
.	O
</s>
<s>
The	O
story	O
is	O
based	O
on	O
alien	O
invasion	O
of	O
a	O
planet	O
that	O
has	O
a	O
dormant	O
defense	B-Application
grid	I-Application
.	O
</s>
<s>
Power	O
cores	O
are	O
"	O
tiny	O
floating	O
orbs	O
"	O
that	O
provide	O
vital	O
power	O
to	O
the	O
defense	B-Application
grid	I-Application
.	O
</s>
<s>
Defense	B-Application
Grid	I-Application
is	O
set	O
in	O
the	O
distant	O
future	O
.	O
</s>
<s>
The	O
development	O
team	O
were	O
aiming	O
to	O
create	O
a	O
standard	O
tower	B-Application
defense	I-Application
game	I-Application
but	O
in	O
3D	O
,	O
downloadable	O
and	O
with	O
high	O
production	O
values	O
.	O
</s>
<s>
The	O
game	O
was	O
created	O
by	O
Mark	O
Terrano	O
,	O
the	O
lead	O
designer	O
of	O
Age	B-Application
of	I-Application
Empires	I-Application
II	I-Application
:	I-Application
The	I-Application
Age	I-Application
of	I-Application
Kings	I-Application
,	O
and	O
uses	O
the	O
Gamebryo	O
engine	O
.	O
</s>
<s>
Defense	B-Application
Grid	I-Application
also	O
uses	O
the	O
Scaleform	O
GFx	O
user	O
interface	O
engine	O
.	O
</s>
<s>
Defense	B-Application
Grid	I-Application
:	O
Borderlands	O
was	O
the	O
first	O
set	O
of	O
new	O
levels	O
provided	O
as	O
downloadable	B-Protocol
content	I-Protocol
.	O
</s>
<s>
Defense	B-Application
Grid	I-Application
:	O
Resurgence	O
was	O
announced	O
on	O
29	O
May	O
2010	O
by	O
Hidden	O
Path	O
Entertainment	O
.	O
</s>
<s>
The	O
downloadable	B-Protocol
content	I-Protocol
is	O
made	O
up	O
of	O
eight	O
new	O
maps	O
,	O
released	O
in	O
installments	O
of	O
two	O
maps	O
each	O
week	O
throughout	O
June	O
2010	O
.	O
</s>
<s>
The	O
content	O
is	O
available	O
for	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
In	O
December	O
2011	O
,	O
Defense	B-Application
Grid	I-Application
:	O
You	O
Monster	O
was	O
released	O
for	O
PC	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Featuring	O
the	O
GLaDOS	O
character	O
from	O
Portal	B-Application
,	O
the	O
add-on	O
pack	O
offers	O
a	O
new	O
story	O
mode	O
of	O
eight	O
levels	O
and	O
35	O
challenges	O
.	O
</s>
<s>
In	O
December	O
2012	O
,	O
Hidden	O
Path	O
released	O
four	O
free	O
maps	O
called	O
the	O
Community	O
Levels	O
DLC	B-Protocol
.	O
</s>
<s>
The	O
DLC	B-Protocol
was	O
originally	O
released	O
exclusively	O
to	O
Kickstarter	O
backers	O
in	O
conjunction	O
with	O
the	O
Defense	B-Application
Grid	I-Application
:	O
Containment	O
beta	O
.	O
</s>
<s>
In	O
January	O
2013	O
,	O
Defense	B-Application
Grid	I-Application
:	O
Containment	O
was	O
released	O
for	O
PC	O
.	O
</s>
<s>
It	O
contained	O
8	O
maps	O
and	O
a	O
story	O
that	O
bridged	O
the	O
gap	O
between	O
the	O
original	O
Awakening	O
story	O
line	O
and	O
the	O
planned	O
sequel	O
,	O
Defense	B-Application
Grid	I-Application
2	I-Application
.	O
</s>
<s>
Kickstarter	O
backers	O
who	O
pledged	O
$50	O
or	O
more	O
were	O
allowed	O
to	O
test	O
the	O
beta	O
version	O
and	O
were	O
granted	O
pre-release	O
access	O
to	O
the	O
completed	O
DLC	B-Protocol
.	O
</s>
<s>
On	O
December	O
16	O
,	O
2009	O
,	O
Gamasutra	O
included	O
Defense	B-Application
Grid	I-Application
on	O
its	O
Best	O
Of	O
2009	O
:	O
Top	O
5	O
Console	O
Downloadable	O
Games	O
.	O
</s>
<s>
As	O
of	O
years-end	O
2011	O
the	O
game	O
sold	O
nearly	O
116,000	O
copies	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
The	O
April	O
2009	O
issue	O
of	O
PC	O
Gamer	O
awarded	O
Defense	B-Application
Grid	I-Application
a	O
90%	O
and	O
an	O
Editor	O
's	O
Choice	O
badge	O
,	O
stating	O
,	O
"	O
Defense	B-Application
Grid	I-Application
is	O
such	O
a	O
charming	O
and	O
challenging	O
experience	O
that	O
should	O
n't	O
be	O
missed	O
by	O
tower	B-Application
defense	I-Application
fans	O
.	O
</s>
<s>
GamePro	O
said	O
,	O
"	O
Defense	B-Application
Grid	I-Application
:	I-Application
The	I-Application
Awakening	I-Application
is	O
a	O
prime	O
example	O
of	O
that	O
sudden	O
transformation	O
of	O
taking	O
an	O
unoriginal	O
,	O
well-known	O
style	O
of	O
video	O
game	O
and	O
turning	O
it	O
into	O
a	O
masterpiece	O
for	O
your	O
PC	O
"	O
,	O
awarding	O
the	O
title	O
4.5	O
stars	O
out	O
of	O
5	O
.	O
</s>
<s>
The	O
GameShark	B-Device
review	O
thought	O
Defense	B-Application
Grid	I-Application
was	O
a	O
"	O
solid	O
,	O
well-rounded	O
strategy	O
game	O
"	O
.	O
</s>
<s>
A	O
Thunderbolt	O
Games	O
review	O
thought	O
the	O
game	O
was	O
"	O
a	O
charming	O
little	O
tower	B-Application
defence	I-Application
title	O
with	O
a	O
decent	O
story	O
and	O
challenging	O
gameplay.	O
"	O
</s>
<s>
In	O
July	O
2012	O
,	O
a	O
Kickstarter	O
project	O
was	O
created	O
by	O
Hidden	O
Path	O
Entertainment	O
to	O
help	O
fund	O
a	O
sequel	O
game	O
titled	O
Defense	B-Application
Grid	I-Application
2	I-Application
.	O
</s>
<s>
In	O
August	O
2012	O
,	O
the	O
Kickstarter	O
project	O
failed	O
to	O
reach	O
its	O
ultimate	O
funding	O
goal	O
of	O
US$	O
1,000,000	O
for	O
Defense	B-Application
Grid	I-Application
2	I-Application
's	O
development	O
.	O
</s>
<s>
However	O
,	O
the	O
project	O
did	O
succeed	O
in	O
fully	O
funding	O
development	O
of	O
a	O
new	O
8	O
level	O
expansion	O
to	O
the	O
original	O
game	O
which	O
was	O
named	O
Defense	B-Application
Grid	I-Application
:	O
Containment	O
.	O
</s>
<s>
The	O
sequel	O
was	O
released	O
in	O
September	O
2014	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Xbox	B-Device
One	I-Device
and	O
PlayStation	B-Operating_System
4	I-Operating_System
.	O
</s>
