<s>
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
is	O
a	O
cross-platform	O
collectible	O
card	O
Tower	B-Application
Defense	I-Application
game	I-Application
set	O
in	O
the	O
Prime	B-Application
World	I-Application
universe	O
.	O
</s>
<s>
In	O
December	O
2012	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
was	O
announced	O
and	O
released	O
for	O
beta	O
testing	O
.	O
</s>
<s>
In	O
June	O
2013	O
,	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
was	O
released	O
on	O
Steam	B-Application
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
was	O
released	O
for	O
Android	B-Application
,	O
iOS	B-Application
,	O
Facebook	B-Application
,	O
NVIDIA	B-Application
Shield	I-Application
,	O
Kongregate	O
,	O
and	O
Android	B-Application
TV	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
2	O
,	O
was	O
released	O
on	O
November	O
29	O
,	O
2018	O
.	O
</s>
<s>
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
is	O
a	O
mix	O
of	O
Tower	B-Application
Defense	I-Application
mechanics	O
with	O
some	O
collecting	O
elements	O
.	O
</s>
<s>
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
holds	O
an	O
average	O
of	O
58/100	O
on	O
aggregate	O
website	O
Metacritic	O
.	O
</s>
<s>
Game	O
Informer	O
wrote	O
:	O
"	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
had	O
an	O
exceptionally	O
low	O
bar	O
to	O
clear	O
to	O
get	O
me	O
on	O
board	O
,	O
but	O
the	O
staid	O
design	O
and	O
brutal	O
grind	O
managed	O
to	O
miss	O
even	O
that	O
simple	O
goal.	O
"	O
</s>
<s>
IGN	O
said	O
that	O
"	O
Prime	B-Application
World	I-Application
:	I-Application
Defenders	I-Application
has	O
some	O
good	O
ideas	O
,	O
but	O
the	O
execution	O
of	O
its	O
core	O
mechanics	O
lacks	O
dedication.	O
"	O
</s>
