<s>
Angry	B-Application
Birds	I-Application
2	I-Application
is	O
a	O
2015	B-Application
puzzle	O
video	O
game	O
developed	O
by	O
Rovio	O
Entertainment	O
and	O
is	O
the	O
twelfth	O
game	O
in	O
the	O
Angry	B-Application
Birds	I-Application
series	O
,	O
and	O
is	O
the	O
direct	O
sequel	O
to	O
the	O
original	B-Application
Angry	I-Application
Birds	I-Application
.	O
</s>
<s>
The	O
gameplay	O
features	O
three	O
new	O
birds	O
named	O
Silver	O
,	O
Leonard	O
,	O
and	O
Melody	O
(	O
with	O
Leonard	O
added	O
as	O
a	O
promo	O
bird	O
for	O
The	O
Angry	B-Application
Birds	I-Application
Movie	O
2	O
,	O
and	O
Melody	O
added	O
in	O
an	O
update	O
in	O
November	O
2022	O
)	O
,	O
a	O
new	O
ability	O
for	O
Red	O
,	O
spells	O
instead	O
of	O
power-ups	O
and	O
gameplay	O
that	O
occurs	O
in	O
multi-stage	O
levels	O
.	O
</s>
<s>
It	O
was	O
soft-launched	O
in	O
Canada	O
on	O
March	O
5	O
,	O
2015	B-Application
,	O
as	O
Angry	B-Application
Birds	I-Application
Under	I-Application
Pigstruction	I-Application
,	O
released	O
for	O
iOS	B-Application
and	O
Android	B-Application
worldwide	O
on	O
July	O
30	O
,	O
2015	B-Application
,	O
and	O
the	O
name	O
was	O
changed	O
to	O
Angry	B-Application
Birds	I-Application
2	I-Application
.	O
</s>
<s>
Reception	O
for	O
Angry	B-Application
Birds	I-Application
2	I-Application
was	O
mixed	O
.	O
</s>
<s>
Like	O
the	O
original	B-Application
Angry	I-Application
Birds	I-Application
,	O
players	O
use	O
a	O
slingshot	O
to	O
launch	O
birds	O
at	O
nearby	O
structures	O
;	O
a	O
key	O
difference	O
in	O
Angry	B-Application
Birds	I-Application
2	I-Application
is	O
the	O
ability	O
to	O
select	O
birds	O
of	O
the	O
desired	O
choice	O
from	O
a	O
deck	O
.	O
</s>
<s>
Levels	O
will	O
sometimes	O
contain	O
items	O
,	O
either	O
an	O
apple	O
,	O
a	O
friend	O
gift	O
(	O
which	O
can	O
be	O
given	O
to	O
friends	O
when	O
connected	O
to	O
Facebook	B-Application
,	O
now	O
removed	O
due	O
to	O
a	O
change	O
in	O
Facebook	B-Application
’s	O
policies	O
)	O
or	O
a	O
rare	O
chest	O
.	O
</s>
<s>
The	O
game	O
may	O
be	O
connected	O
to	O
Facebook	B-Application
to	O
backup	O
scores	O
&	O
progress	O
and	O
give	O
friend	O
gifts	O
to	O
friends	O
(	O
this	O
feature	O
has	O
since	O
been	O
removed	O
)	O
or	O
Sign	B-General_Concept
in	I-General_Concept
with	I-General_Concept
Apple	I-General_Concept
on	O
iOS	B-Application
devices	O
.	O
</s>
<s>
There	O
are	O
several	O
game	O
modes	O
in	O
Angry	B-Application
Birds	I-Application
2	I-Application
other	O
than	O
the	O
regular	O
campaign	O
levels	O
,	O
including	O
the	O
Daily	O
Challenge	O
and	O
King	O
Pig	O
Panic	O
,	O
Tower	O
of	O
Fortune	O
,	O
the	O
Arena	O
,	O
Mighty	O
Eagle	O
's	O
Bootcamp	O
&	O
Clans	O
and	O
other	O
limited-time	O
events	O
.	O
</s>
<s>
The	O
concept	O
of	O
the	O
Arena	O
is	O
similar	O
to	O
Angry	B-Application
Birds	I-Application
Friends	I-Application
.	O
</s>
<s>
This	O
is	O
the	O
only	O
traditional	O
slingshot	O
Angry	B-Application
Birds	I-Application
game	O
with	O
procedurally	O
generated	O
levels	O
,	O
which	O
might	O
be	O
the	O
reason	O
why	O
as	O
of	O
April	O
2023	O
,	O
the	O
game	O
has	O
3460	O
levels	O
in	O
its	O
campaign	O
mode	O
.	O
</s>
<s>
After	O
the	O
events	O
of	O
Angry	B-Application
Birds	I-Application
,	O
Chef	O
Pig	O
takes	O
the	O
eggs	O
and	O
puts	O
them	O
in	O
an	O
airship	O
,	O
leaving	O
Red	O
to	O
gather	O
the	O
rest	O
of	O
the	O
flock	O
pursuing	O
him	O
and	O
the	O
rest	O
of	O
the	O
pigs	O
.	O
</s>
<s>
Silver	O
,	O
a	O
bird	O
who	O
first	O
appeared	O
in	O
the	O
game	O
,	O
went	O
on	O
to	O
appear	O
in	O
the	O
animated	O
film	O
The	O
Angry	B-Application
Birds	I-Application
Movie	O
2	O
,	O
voiced	O
by	O
Rachel	O
Bloom	O
.	O
</s>
<s>
The	O
Gravity	O
Grove	O
update	O
promoted	O
The	O
Angry	B-Application
Birds	I-Application
Movie	O
by	O
using	O
the	O
character	O
appearances	O
from	O
the	O
movie	O
in	O
the	O
levels	O
.	O
</s>
<s>
Three	O
days	O
after	O
its	O
release	O
,	O
Angry	B-Application
Birds	I-Application
2	I-Application
was	O
downloaded	O
over	O
10	O
million	O
times	O
;	O
it	O
is	O
a	O
free	O
game	O
on	O
all	O
platforms	O
.	O
</s>
<s>
One	O
week	O
after	O
its	O
release	O
,	O
Angry	B-Application
Birds	I-Application
2	I-Application
was	O
downloaded	O
over	O
20	O
million	O
times	O
.	O
</s>
<s>
On	O
August	O
6	O
,	O
2015	B-Application
,	O
the	O
game	O
was	O
the	O
number	O
one	O
downloaded	O
iOS	B-Application
game	O
in	O
100	O
countries	O
and	O
the	O
most	O
downloaded	O
game	O
on	O
Android	B-Application
.	O
</s>
