<s>
The	O
is	O
a	O
second	B-Application
generation	I-Application
home	B-Device
video	I-Device
game	I-Device
console	I-Device
developed	O
by	O
Gakken	O
and	O
released	O
in	O
Japan	O
in	O
1983	O
for	O
a	O
price	O
of	O
¥	O
8,800	O
.	O
</s>
<s>
The	O
system	O
was	O
made	O
to	O
compete	O
with	O
the	O
Epoch	B-Device
Cassette	I-Device
Vision	I-Device
,	O
which	O
had	O
a	O
market	O
dominance	O
of	O
70%	O
in	O
Japan	O
.	O
</s>
<s>
The	O
console	O
was	O
released	O
months	O
after	O
the	O
Nintendo	O
Famicom	O
and	O
Sega	B-Operating_System
SG-1000	I-Operating_System
which	O
,	O
although	O
more	O
expensive	O
at	O
¥15	O
,	O
000	O
,	O
were	O
more	O
advanced	O
and	O
had	O
more	O
features	O
as	O
well	O
as	O
bigger	O
games	O
libraries	O
;	O
furthermore	O
,	O
Epoch	O
had	O
just	O
launched	O
the	O
Cassette	B-Device
Vision	I-Device
Jr.	O
revision	O
for	O
¥	O
5,000	O
.	O
</s>
