<s>
Angry	B-Application
Birds	I-Application
Seasons	I-Application
(	O
formerly	O
Angry	B-Application
Birds	I-Application
Halloween	I-Application
)	O
is	O
the	O
second	O
puzzle	O
video	O
game	O
in	O
the	O
Angry	B-Application
Birds	I-Application
series	O
,	O
developed	O
by	O
Rovio	O
Entertainment	O
.	O
</s>
<s>
Based	O
on	O
Angry	B-Application
Birds	I-Application
,	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
was	O
released	O
for	O
devices	O
using	O
Apple	O
's	O
iOS	B-Application
in	O
October	O
2010	O
and	O
then	O
it	O
was	O
released	O
on	O
other	O
platforms	O
starting	O
in	O
December	O
2010	O
.	O
</s>
<s>
There	O
have	O
been	O
no	O
new	O
releases	O
since	O
the	O
release	O
of	O
Ragnahog	O
on	O
December	O
1	O
,	O
2016	O
,	O
and	O
it	O
was	O
removed	O
from	O
App	B-Application
Store	I-Application
and	O
Google	B-Application
Play	I-Application
in	O
2019	O
,	O
with	O
all	O
other	O
Angry	B-Application
Birds	I-Application
games	O
released	O
before	O
Angry	B-Application
Birds	I-Application
Transformers	I-Application
except	O
for	O
Angry	B-Application
Birds	I-Application
Friends	I-Application
.	O
</s>
<s>
However	O
,	O
Bad	B-Application
Piggies	I-Application
was	O
added	O
back	O
in	O
2020	O
.	O
</s>
<s>
Just	O
as	O
in	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
an	O
assortment	O
of	O
birds	O
at	O
nearby	O
structures	O
,	O
with	O
the	O
intent	O
of	O
hitting	O
targets	O
located	O
on	O
or	O
within	O
them	O
.	O
</s>
<s>
The	O
first	O
season	O
began	O
in	O
October	O
2010	O
,	O
when	O
Rovio	O
released	O
a	O
Halloween	B-Application
edition	O
.	O
</s>
<s>
Angry	B-Application
Birds	I-Application
Halloween	I-Application
,	O
exclusive	O
to	O
iOS	B-Application
at	O
the	O
time	O
and	O
a	O
separate	O
game	O
,	O
included	O
levels	O
with	O
Halloween-themed	O
music	O
and	O
graphics	O
.	O
</s>
<s>
On	O
December	O
1	O
,	O
2010	O
,	O
Rovio	O
changed	O
the	O
name	O
to	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
to	O
iOS	B-Application
,	O
Android	B-Application
,	O
and	O
Symbian	B-Operating_System
3	O
devices	O
.	O
</s>
<s>
All	O
versions	O
include	O
the	O
previously	O
exclusive	O
Halloween	B-Application
levels	O
and	O
are	O
offered	O
as	O
separate	O
,	O
stand-alone	O
paid	O
applications	O
,	O
with	O
the	O
exception	O
of	O
the	O
free	O
,	O
ad-supported	O
Android	B-Application
version	O
;	O
Angry	B-Application
Birds	I-Application
Halloween	I-Application
users	O
on	O
iOS	B-Application
received	O
the	O
Seasons	O
levels	O
as	O
a	O
free	O
upgrade	O
.	O
</s>
<s>
The	O
Halloween	B-Application
version	O
was	O
given	O
the	O
episode	O
title	O
"	O
Trick	O
or	O
Treat	O
"	O
,	O
while	O
the	O
Christmas	O
episode	O
was	O
entitled	O
"	O
Season	O
's	O
Greedings	O
"	O
.	O
</s>
<s>
The	O
second	O
season	O
began	O
in	O
February	O
2011	O
,	O
when	O
Rovio	O
released	O
a	O
Valentine	O
's	O
Day	O
update	O
to	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
,	O
entitled	O
"	O
Hogs	O
and	O
Kisses	O
"	O
,	O
complete	O
with	O
new	O
themed	O
levels	O
and	O
graphics	O
,	O
as	O
well	O
as	O
the	O
option	O
to	O
send	O
Angry	O
Birds-themed	O
Valentine	O
's	O
Day	O
messages	O
through	O
Facebook	B-Application
.	I-Application
</s>
<s>
In	O
October	O
2011	O
,	O
we	O
move	O
on	O
with	O
the	O
new	O
season	O
with	O
another	O
Halloween	B-Application
update	O
,	O
"	O
Ham'O'Ween	O
"	O
was	O
released	O
and	O
introduced	O
a	O
new	O
orange	O
bird	O
,	O
known	O
as	O
Bubbles	O
.	O
</s>
<s>
In	O
June	O
2012	O
,	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
added	O
their	O
twelfth	O
episode	O
,	O
Piglantis	B-Application
.	O
</s>
<s>
The	O
main	O
new	O
feature	O
in	O
Angry	B-Application
Birds	I-Application
:	O
Piglantis	B-Application
is	O
fluid	O
physics	O
:	O
the	O
birds	O
,	O
wood	O
,	O
and	O
glass	O
are	O
buoyant	O
in	O
the	O
water	O
levels	O
;	O
however	O
,	O
the	O
pigs	O
and	O
stone	O
are	O
too	O
heavy	O
to	O
rise	O
to	O
the	O
surface	O
and	O
sink	O
down	O
until	O
they	O
are	O
defeated	O
.	O
</s>
<s>
In	O
October	O
2012	O
when	O
Haunted	O
Hogs	O
was	O
released	O
and	O
was	O
the	O
third	O
Halloween	B-Application
episode	O
in	O
the	O
series	O
.	O
</s>
<s>
On	O
October	O
27	O
,	O
2014	O
,	O
the	O
Visit	O
Finland	O
Twitter	B-Application
account	I-Application
unveiled	O
an	O
image	O
displaying	O
Terence	O
swimming	O
on	O
a	O
pool	O
along	O
a	O
similar	O
looking	O
bird	O
,	O
colored	O
blue	O
,	O
named	O
"	O
Tony	O
the	O
Blue	O
"	O
,	O
and	O
the	O
title	O
"	O
On	O
Finn	O
Ice	O
"	O
,	O
which	O
is	O
the	O
fifth	O
Christmas	O
episode	O
.	O
</s>
<s>
The	O
tweet	O
also	O
referred	O
to	O
the	O
Finnish	O
band	O
Apocalyptica	B-Application
,	O
who	O
play	O
the	O
theme	O
music	O
for	O
that	O
episode	O
.	O
</s>
<s>
The	O
world	O
was	O
added	O
in	O
commemoration	O
to	O
Rovio	O
's	O
partnership	O
with	O
BirdLife	O
International	O
to	O
save	O
the	O
birds	O
of	O
the	O
Pacific	O
,	O
an	O
episode	O
based	O
on	O
Spring	B-Application
Break	I-Application
,	O
“	O
Tropigal	O
Paradise	O
”	O
.	O
</s>
<s>
Between	O
this	O
update	O
and	O
the	O
next	O
was	O
about	O
4	O
months	O
,	O
giving	O
Rovio	O
a	O
"	O
rest	O
"	O
and	O
letting	O
them	O
handle	O
other	O
Angry	B-Application
Birds	I-Application
games	O
.	O
</s>
<s>
In	O
October	O
2015	O
,	O
we	O
returned	O
to	O
another	O
Halloween	B-Application
episode	O
but	O
with	O
some	O
biggest	O
changes	O
with	O
50	O
's	O
movie-themed	O
world	O
was	O
added	O
to	O
the	O
selection	O
,	O
titled	O
"	O
Invasion	O
of	O
the	O
Egg	O
Snatchers	O
"	O
,	O
which	O
not	O
only	O
brought	O
a	O
new	O
world	O
,	O
but	O
BirdWear	O
(	O
costumes	O
)	O
,	O
which	O
are	O
unlocked	O
in	O
a	O
scavenger	O
hunt	O
style	O
,	O
having	O
the	O
player	O
search	O
through	O
levels	O
they	O
completed	O
for	O
certain	O
items	O
,	O
and	O
once	O
3	O
items	O
were	O
found	O
(	O
there	O
is	O
a	O
16-hour	O
wait	O
between	O
obtaining	O
items	O
and	O
an	O
eight-hour	O
wait	O
to	O
get	O
a	O
new	O
mission	O
)	O
,	O
they	O
would	O
receive	O
the	O
costume	O
,	O
allowing	O
the	O
birds	O
to	O
(	O
optionally	O
)	O
wear	O
outfits	O
during	O
gameplay	O
.	O
</s>
<s>
Finally	O
,	O
to	O
wrap	O
up	O
2015	O
to	O
end	O
with	O
a	O
Christmas	O
episode	O
,	O
"	O
Ski	O
or	O
Squeal	O
"	O
was	O
added	O
(	O
in	O
the	O
usual	O
advent	O
calendar	O
style	O
)	O
,	O
taking	O
place	O
a	O
top	O
a	O
frigid	O
mountain	O
summit	B-Device
.	O
</s>
<s>
Fall	O
2016	O
started	O
with	O
"	O
Piggywood	O
Studios	O
"	O
where	O
the	O
Pigs	O
reenact	O
famous	O
movie	O
scenes	O
from	O
Indiana	B-Application
Jones	I-Application
,	O
King	O
Kong	O
,	O
The	O
Angry	B-Application
Birds	I-Application
Movie	O
,	O
Aliens	O
,	O
Back	B-Application
to	I-Application
the	I-Application
Future	I-Application
,	O
and	O
more	O
.	O
</s>
<s>
It	O
continued	O
with	O
the	O
Halloween	B-Application
episode	O
"	O
Hammier	O
Things	O
"	O
,	O
which	O
was	O
based	O
on	O
TV	O
series	O
Stranger	O
Things	O
,	O
and	O
concluded	O
with	O
the	O
Christmas	O
episode	O
"	O
Ragnahog	O
"	O
,	O
which	O
is	O
also	O
an	O
Vikings	O
theme	O
and	O
is	O
set	O
in	O
a	O
Nordic	O
theme	O
.	O
</s>
<s>
It	O
's	O
also	O
the	O
final	O
episode	O
of	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
.	O
</s>
<s>
At	O
E3	O
2012	O
in	O
Los	O
Angeles	O
,	O
Rovio	O
and	O
distribution	O
partner	O
Activision	O
announced	O
plans	O
to	O
bring	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
,	O
along	O
with	O
the	O
original	B-Application
Angry	I-Application
Birds	I-Application
and	O
Angry	B-Application
Birds	I-Application
Rio	O
,	O
to	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
and	O
Nintendo	B-Operating_System
3DS	I-Operating_System
systems	O
.	O
</s>
<s>
Bundled	O
together	O
as	O
Angry	B-Application
Birds	I-Application
Trilogy	I-Application
,	O
the	O
games	O
were	O
built	O
specifically	O
for	O
their	O
respective	O
consoles	O
,	O
taking	O
advantage	O
of	O
their	O
unique	O
features	O
,	O
such	O
as	O
support	O
for	O
PlayStation	B-Device
Move	I-Device
,	O
Kinect	B-Algorithm
,	O
high-definition	O
displays	O
,	O
and	O
glasses-free	O
3D	B-Algorithm
visuals	I-Algorithm
.	O
</s>
<s>
The	O
trilogy	O
was	O
also	O
available	O
for	O
Wii	B-Operating_System
and	O
Wii	B-Device
U	I-Device
.	O
</s>
<s>
The	O
reception	O
of	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
has	O
been	O
positive	O
.	O
</s>
<s>
Tracy	O
Erickson	O
of	O
Pocket	O
Gamer	O
said	O
about	O
the	O
Halloween	B-Application
update	O
,	O
"	O
The	O
difficulty	O
is	O
steeper	O
than	O
in	O
the	O
original	B-Application
Angry	I-Application
Birds	I-Application
,	O
which	O
is	O
likely	O
an	O
intentional	O
consideration	O
for	O
those	O
well-versed	O
in	O
the	O
first	O
game	O
.	O
</s>
<s>
This	O
does	O
n't	O
make	O
Angry	B-Application
Birds	I-Application
Halloween	I-Application
unapproachable	O
,	O
but	O
it	O
does	O
result	O
in	O
an	O
undesirable	O
increase	O
in	O
trial-and-error	O
gameplay	O
.	O
</s>
<s>
Angry	B-Application
Birds	I-Application
Halloween	I-Application
is	O
pleasantly	O
more	O
of	O
the	O
same	O
,	O
though	O
you	O
're	O
best	O
served	O
by	O
playing	O
the	O
original	O
before	O
tackling	O
this	O
holiday	O
treat.	O
"	O
</s>
<s>
Sarah	O
Jacobsson	O
of	O
Macworld	O
said	O
about	O
the	O
Christmas	O
update	O
,	O
"	O
Unlike	O
the	O
original	B-Application
Angry	I-Application
Birds	I-Application
and	O
Angry	B-Application
Birds	I-Application
Halloween	I-Application
,	O
the	O
Season	O
’s	O
Greetings	O
track	O
does	O
not	O
start	O
out	O
with	O
a	O
laughably	O
easy	O
level	O
—	O
after	O
all	O
,	O
you	O
only	O
get	O
one	O
level	O
a	O
day	O
,	O
and	O
Rovio	O
wants	O
to	O
make	O
you	O
work	O
for	O
it.	O
"	O
</s>
<s>
She	O
further	O
wrote	O
,	O
"	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
brings	O
fun	O
,	O
Christmas	O
spirit	O
to	O
the	O
most	O
popular	O
iOS	B-Application
game	O
of	O
the	O
year	O
.	O
</s>
<s>
With	O
the	O
included	O
Halloween	B-Application
track	O
,	O
you	O
get	O
a	O
total	O
of	O
69	O
challenging	O
levels	O
—	O
definitely	O
worth	O
$0.99	O
(	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
HD	O
is	O
$1.99	O
)	O
.	O
"	O
</s>
<s>
Abigail	O
Holden	O
of	O
Lazygamer	O
rated	O
the	O
game	O
8.5/10	O
,	O
saying	O
,	O
"	O
Whether	O
you	O
're	O
new	O
to	O
Angry	B-Application
Birds	I-Application
or	O
you	O
've	O
enjoyed	O
the	O
game	O
on	O
other	O
platforms	O
,	O
Angry	B-Application
Birds	I-Application
Seasons	I-Application
for	O
PC	B-Device
is	O
worth	O
to	O
look	O
at	O
.	O
</s>
