<s>
Tanki	B-Application
Online	I-Application
(	O
TO	O
)	O
is	O
a	O
browser-based	B-Protocol
multiplayer	O
free-to-play	O
video	O
game	O
created	O
and	O
published	O
by	O
AlternativaPlatform	B-Application
.	O
</s>
<s>
A	O
remake	O
of	O
the	O
game	O
named	O
Tanki	B-Protocol
X	I-Protocol
was	O
released	O
on	O
April	O
20	O
,	O
2017	O
.	O
</s>
<s>
"	O
Tanki	B-Application
Online	I-Application
"	O
used	O
the	O
company	O
's	O
own	O
game	O
engine	O
,	O
Alternativa3D	O
.	O
</s>
<s>
There	O
was	O
a	O
new	O
version	O
of	O
"	O
Tanki	B-Application
Online	I-Application
"	O
(	O
called	O
Tanki	B-Protocol
X	I-Protocol
)	O
,	O
made	O
by	O
the	O
same	O
developers	O
,	O
however	O
now	O
they	O
used	O
the	O
Unity	O
engine	O
instead	O
of	O
their	O
own	O
.	O
</s>
<s>
“	O
Tanki	B-Protocol
X	I-Protocol
”	O
was	O
being	O
developed	O
in	O
parallel	O
with	O
“	O
Tanki	B-Application
Online	I-Application
”	O
,	O
but	O
in	O
the	O
autumn	O
of	O
2019	O
it	O
was	O
announced	O
that	O
the	O
project	O
was	O
closing	O
.	O
</s>
<s>
Some	O
features	O
were	O
transferred	O
to	O
“	O
Tanki	B-Application
Online	I-Application
”	O
.	O
</s>
<s>
From	O
the	O
September	O
12	O
,	O
2019	O
,	O
due	O
to	O
the	O
end	O
of	O
Adobe	B-Operating_System
Flash	I-Operating_System
support	O
,	O
the	O
server	O
and	O
network	O
client	O
of	O
the	O
game	O
are	O
based	O
on	O
HTML5	B-Application
.	O
</s>
<s>
The	O
new	O
version	O
has	O
an	O
updated	O
interface	B-Application
and	O
some	O
other	O
visual	O
components	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
2021	O
,	O
the	O
Flash	O
version	O
of	O
“	O
Tanki	B-Application
Online	I-Application
”	O
was	O
discontinued	O
,	O
leaving	O
HTML5	B-Application
as	O
the	O
only	O
playable	O
version	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
"	O
Tanki	B-Application
Online	I-Application
"	O
has	O
some	O
parallels	O
with	O
the	O
famous	O
classic	O
game	O
Battle	B-Application
City	I-Application
(	O
1985	O
)	O
.	O
</s>
<s>
However	O
,	O
unlike	O
Battle	B-Application
City	I-Application
,	O
the	O
basis	O
of	O
the	O
gameplay	O
of	O
"	O
Tanki	B-Application
Online	I-Application
"	O
is	O
a	O
PVP	O
system	O
-	O
player	O
versus	O
player	O
.	O
</s>
