<s>
is	O
a	O
2015	O
real-time	B-Application
tactics	I-Application
video	O
game	O
developed	O
and	O
published	O
by	O
Acquire	O
in	O
Japan	O
,	O
with	O
a	O
western	O
release	O
by	O
Aksys	O
Games	O
(	O
North	O
America	O
)	O
and	O
PQube	O
(	O
Europe	O
)	O
coming	O
the	O
following	O
year	O
.	O
</s>
<s>
Aegis	B-Application
of	I-Application
Earth	I-Application
is	O
set	O
fifty	O
years	O
after	O
a	O
deadly	O
event	O
known	O
as	O
the	O
"	O
Silent	O
Apocalypse	O
"	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Vita	I-Device
version	O
sold	O
2,831	O
copies	O
within	O
its	O
first	O
week	O
of	O
release	O
in	O
Japan	O
,	O
which	O
placed	O
it	O
15th	O
of	O
the	O
weekly	O
sales	O
charts	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
failed	O
to	O
make	O
the	O
list	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
the	O
game	O
launched	O
at	O
a	O
discounted	O
price	O
of	O
$29.99	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Vita	O
,	O
as	O
well	O
as	O
$39.99	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
.	O
</s>
<s>
Aegis	B-Application
of	I-Application
Earth	I-Application
:	I-Application
Protonovus	I-Application
Assault	I-Application
received	O
mixed	O
reviews	O
from	O
critics	O
according	O
to	O
aggregate	O
review	O
website	O
Metacritic	O
.	O
</s>
<s>
Nic	O
Rowen	O
of	O
Destructoid	O
gave	O
the	O
game	O
a	O
4/10	O
,	O
saying	O
the	O
graphics	O
resemble	O
those	O
of	O
a	O
PlayStation	B-Device
2	I-Device
game	O
.	O
</s>
<s>
Reviewing	O
for	O
Hardcore	O
Gamer	O
,	O
Alexander	O
Chatziioannou	O
also	O
insulted	O
the	O
graphics	O
,	O
comparing	O
them	O
to	O
that	O
of	O
a	O
PlayStation	B-Device
2	I-Device
as	O
Rowen	O
had	O
.	O
</s>
<s>
Ultimately	O
though	O
,	O
Chatziioannou	O
admitted	O
that	O
Aegis	B-Application
of	I-Application
Earth	I-Application
was	O
a	O
unexceptional	O
,	O
but	O
still	O
called	O
the	O
game	O
"	O
solid	O
"	O
and	O
recommending	O
it	O
as	O
an	O
"	O
adequate	O
diversion	O
"	O
,	O
giving	O
the	O
title	O
a	O
final	O
score	O
of	O
3.5/5	O
.	O
</s>
