<s>
Rivality	B-Application
was	O
a	O
massively	B-Application
multiplayer	I-Application
online	I-Application
browser-based	B-Protocol
strategy	B-Protocol
game	I-Protocol
developed	O
by	O
the	O
Swedish	O
gaming	O
company	O
FunRock	O
.	O
</s>
<s>
The	O
game	O
was	O
programmed	O
in	O
ASP	B-General_Concept
and	O
runs	O
in	O
most	O
modern	O
browsers	O
(	O
such	O
as	O
Google	B-Application
Chrome	I-Application
,	O
Firefox	B-Application
and	O
Internet	B-Application
Explorer	I-Application
)	O
.	O
</s>
<s>
Rivality	B-Application
could	O
also	O
be	O
played	O
on	O
many	O
newer	O
smart-phones	B-Application
,	O
but	O
does	O
not	O
provide	O
a	O
separate	O
mobile	O
version	O
.	O
</s>
<s>
Rivality	B-Application
is	O
played	O
in	O
separate	O
rounds	O
,	O
each	O
round	O
lasting	O
at	O
least	O
90	O
days	O
.	O
</s>
<s>
On	O
20	O
February	O
2012	O
,	O
FunRock	O
released	O
a	O
new	O
version	O
of	O
Rivality	B-Application
named	O
Rivality	B-Application
v3	O
.	O
</s>
<s>
Rivality	B-Application
is	O
financed	O
through	O
players	O
purchasing	O
in-game	O
credits	O
.	O
</s>
<s>
Rivality	B-Application
shut	O
down	O
in	O
August	O
2022	O
.	O
</s>
