<s>
Best	B-Application
Fiends	I-Application
is	O
a	O
mobile	B-Application
game	I-Application
and	O
media	O
franchise	O
centred	O
around	O
tile-matching	O
gameplay	O
.	O
</s>
<s>
Since	O
it	O
launched	O
in	O
2014	O
,	O
the	O
original	O
Best	B-Application
Fiends	I-Application
game	O
has	O
had	O
almost	O
100	O
million	O
downloads	O
as	O
of	O
August	O
2019	O
.	O
</s>
<s>
The	O
original	O
Best	B-Application
Fiends	I-Application
game	O
was	O
launched	O
exclusively	O
on	O
iOS	B-Application
devices	O
in	O
2014	O
by	O
the	O
gaming	O
start-up	O
"	O
Seriously	O
"	O
which	O
had	O
been	O
founded	O
the	O
previous	O
year	O
by	O
several	O
former	O
Rovio	O
executives	O
.	O
</s>
<s>
The	O
company	O
's	O
goal	O
was	O
for	O
Best	B-Application
Fiends	I-Application
to	O
start	O
as	O
a	O
game	O
and	O
eventually	O
become	O
a	O
successful	O
brand	O
,	O
as	O
had	O
previously	O
happened	O
with	O
Rovio	O
's	O
app	O
Angry	B-Application
Birds	I-Application
.	O
</s>
<s>
As	O
part	O
of	O
this	O
strategy	O
,	O
Seriously	O
launched	O
a	O
YouTube	B-General_Concept
channel	I-General_Concept
to	O
produce	O
short	O
animated	O
videos	O
alongside	O
the	O
launch	O
of	O
the	O
first	O
Best	B-Application
Fiends	I-Application
game	O
and	O
recruited	O
Heitor	O
Pereira	O
to	O
compose	O
orchestral	O
music	O
for	O
the	O
game	O
.	O
</s>
<s>
The	O
Best	B-Application
Fiends	I-Application
animated	O
videos	O
were	O
produced	O
by	O
Reel	O
FX	O
and	O
featured	O
voice	O
acting	O
from	O
Mark	O
Hamill	O
.	O
</s>
<s>
Within	O
two	O
weeks	O
of	O
its	O
launch	O
,	O
Best	B-Application
Fiends	I-Application
had	O
been	O
downloaded	O
1.5	O
million	O
times	O
.	O
</s>
<s>
The	O
original	O
Best	B-Application
Fiends	I-Application
game	O
was	O
the	O
first	O
in	O
a	O
trilogy	O
.	O
</s>
<s>
The	O
second	O
game	O
,	O
Best	B-Application
Fiends	I-Application
Forever	O
,	O
was	O
launched	O
in	O
October	O
2016	O
,	O
the	O
third	O
game	O
,	O
Best	B-Application
Fiends	I-Application
Slugs	O
,	O
was	O
soft-launched	O
the	O
following	O
December	O
,	O
and	O
the	O
fourth	O
game	O
,	O
Best	B-Application
Fiends	I-Application
Stars	O
,	O
was	O
released	O
in	O
2018	O
.	O
</s>
