<s>
Letters	B-Application
of	I-Application
Gold	I-Application
is	O
a	O
word	B-Application
puzzle	I-Application
game	O
released	O
by	O
Brazilian	O
studio	O
Cupcake	O
Entertainment	O
in	O
October	O
2013	O
for	O
Facebook	B-Application
.	I-Application
</s>
<s>
Android	B-Application
and	O
iPhone	B-Device
versions	O
of	O
the	O
game	O
are	O
currently	O
under	O
development	O
.	O
</s>
<s>
This	O
game	O
is	O
a	O
variation	O
of	O
word	B-Application
puzzle	I-Application
puzzle	O
video	O
game	O
games	O
such	O
as	O
Bejeweled	B-Device
.	O
</s>
<s>
The	O
game	O
is	O
primarily	O
monetized	O
through	O
in-app	O
purchases	O
(	O
through	O
Facebook	B-Application
credits	O
)	O
.	O
</s>
<s>
When	O
they	O
are	O
exhausted	O
,	O
users	O
can	O
either	O
send	O
requests	O
to	O
their	O
Facebook	B-Application
friends	O
for	O
more	O
lives	O
,	O
wait	O
for	O
them	O
to	O
replenish	O
themselves	O
(	O
a	O
life	O
is	O
restored	O
every	O
half-hour	O
)	O
,	O
or	O
purchase	O
them	O
.	O
</s>
<s>
Once	O
all	O
levels	O
in	O
an	O
episode	O
are	O
completed	O
,	O
the	O
next	O
episode	O
(	O
starting	O
at	O
episode	O
2	O
)	O
is	O
locked	O
and	O
the	O
player	O
must	O
either	O
get	O
three	O
friends	O
on	O
Facebook	B-Application
to	O
send	O
them	O
"	O
tickets	O
"	O
to	O
unlock	O
the	O
next	O
episode	O
,	O
it	O
can	O
also	O
be	O
unlocked	O
directly	O
through	O
the	O
in-game	O
store	O
.	O
</s>
<s>
Letters	B-Application
of	I-Application
Gold	I-Application
has	O
over	O
300	O
thousand	O
players	O
and	O
around	O
10	O
thousand	O
active	O
players	O
every	O
day	O
.	O
</s>
<s>
In	O
November	O
2014	O
,	O
a	O
sequel	O
titled	O
Words	B-Application
of	I-Application
Gold	I-Application
was	O
soft	O
launched	O
by	O
Cupcake	O
Entertainment	O
,	O
with	O
a	O
similar	O
design	O
but	O
new	O
gameplay	O
dynamics	O
,	O
bringing	O
its	O
challenges	O
to	O
a	O
scrabble	O
engine	O
similar	O
to	O
Words	B-Application
With	I-Application
Friends	I-Application
.	O
</s>
<s>
As	O
of	O
September	O
2015	O
,	O
there	O
are	O
260	O
Words	B-Application
of	I-Application
Gold	I-Application
levels	O
.	O
</s>
