<s>
Blue	B-Operating_System
Defense	I-Operating_System
!	O
</s>
<s>
A	O
sequel	O
entitled	O
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
!	O
</s>
<s>
Appadvice	O
wrote	O
"	O
Blue	B-Operating_System
Defense	I-Operating_System
!	O
</s>
<s>
Those	O
looking	O
for	O
something	O
reminiscent	O
of	O
arcade	O
classics	O
like	O
Space	B-Application
Invaders	I-Application
,	O
Galaga	B-Application
,	O
or	O
other	O
vertical	O
shooters	O
will	O
be	O
pleased	O
.	O
</s>
<s>
If	O
you	O
do	O
n't	O
like	O
primary	O
colors	O
,	O
silence	O
,	O
or	O
are	O
afraid	O
of	O
your	O
iPhone	B-Device
getting	O
motion	O
sickness	O
,	O
this	O
game	O
is	O
not	O
for	O
you	O
.	O
</s>
<s>
TouchMyApps	O
said	O
"	O
Blue	B-Operating_System
Defense	I-Operating_System
!	O
</s>
<s>
Easily	O
one	O
of	O
my	O
favorite	O
games	O
thus	O
far	O
for	O
the	O
iPhone	B-Device
.	O
</s>
<s>
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
!	O
</s>
<s>
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
is	O
original	O
,	O
intense	O
,	O
addictive	O
,	O
and	O
most	O
of	O
all	O
,	O
fun	O
.	O
</s>
<s>
AppSpy	O
said	O
"	O
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
!	O
</s>
<s>
Multiplayer.it	O
wrote	O
"	O
Although	O
way	O
better	O
than	O
the	O
previous	O
chapter	O
,	O
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
!	O
</s>
<s>
Pocket	O
Gamer	O
UK	O
said	O
"	O
Blue	B-Operating_System
Defense	I-Operating_System
:	O
Second	O
Wave	O
!	O
</s>
