<s>
Trade	B-Protocol
Nations	I-Protocol
was	O
a	O
trading	O
simulation	O
social	O
network	O
game	O
developed	O
and	O
published	O
by	O
Z2Live	O
.	O
</s>
<s>
Trade	B-Protocol
Nations	I-Protocol
was	O
Z2Live	O
's	O
first	O
game	O
.	O
</s>
<s>
It	O
was	O
developed	O
to	O
have	O
integration	O
with	O
JuJuPlay	O
,	O
Z2Live	O
's	O
own	O
iOS	B-Application
based	O
social	O
gaming	O
network	O
,	O
which	O
helped	O
facilitate	O
Trade	O
Nation	O
's	O
growth	O
and	O
retention	O
.	O
</s>
<s>
Apple	O
later	O
released	O
its	O
own	O
Game	B-Operating_System
Center	I-Operating_System
which	O
replaced	O
JuJuPlay	O
.	O
</s>
<s>
Through	O
the	O
immediate	O
success	O
of	O
Trade	B-Protocol
Nations	I-Protocol
,	O
Z2Live	O
achieved	O
profitability	O
which	O
allowed	O
it	O
to	O
continue	O
to	O
expand	O
and	O
grow	O
.	O
</s>
<s>
Trade	B-Protocol
Nations	I-Protocol
allowed	O
players	O
to	O
become	O
the	O
mayor	O
of	O
their	O
own	O
village	O
and	O
grow	O
it	O
into	O
a	O
sprawling	O
city	O
.	O
</s>
