<s>
or	O
Othello	B-Application
World	O
for	O
Game	B-Device
Boy	I-Device
,	O
is	O
a	O
video	O
game	O
developed	O
by	O
HAL	O
Laboratory	O
,	O
made	O
for	O
the	O
Nintendo	O
Entertainment	O
System	O
.	O
</s>
<s>
Versions	O
of	O
the	O
game	O
were	O
first	O
released	O
on	O
home	O
consoles	O
by	O
Philips	O
Magnavox	O
on	O
the	O
Odyssey	B-Application
2	I-Application
as	O
Dynasty	O
in	O
1978	O
,	O
and	O
later	O
on	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
in	B-Application
1980	I-Application
.	O
</s>
<s>
Othello	B-Application
is	O
based	O
on	O
the	O
board	O
game	O
Reversi	O
,	O
which	O
was	O
marketed	O
as	O
Othello	B-Application
.	O
</s>
