<s>
G1	B-Device
Jockey	I-Device
(	O
called	O
GI	O
Jockey	O
in	O
Japan	O
)	O
is	O
a	O
video	O
game	O
franchise	O
developed	O
and	O
published	O
by	O
Koei	O
that	O
simulates	O
horse	B-Application
racing	I-Application
from	O
a	O
jockey	O
's	O
perspective	O
.	O
</s>
<s>
Games	O
have	O
been	O
released	O
on	O
the	O
PlayStation	B-Device
,	O
PlayStation	B-Device
2	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
also	O
on	O
the	B-Operating_System
Wii	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
and	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
The	O
third	O
game	O
of	O
the	O
series	O
,	O
G1	B-Device
Jockey	I-Device
3	O
,	O
launched	O
the	O
Koei	O
series	O
into	O
the	O
spotlight	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
releases	O
( 	O
 '	O
G1	B-Device
Jockey	I-Device
Wii	B-Operating_System
 '	O
and	O
'	O
G1	B-Device
Jockey	I-Device
Wii	B-Operating_System
2008	O
 '	O
)	O
do	O
not	O
follow	O
the	O
same	O
numbering	O
structure	O
as	O
those	O
released	O
on	O
PlayStation	B-Device
consoles	I-Device
.	O
</s>
<s>
G1	B-Device
Jockey	I-Device
is	O
a	O
horse	B-Application
racing	I-Application
simulator	O
developed	O
&	O
published	O
by	O
Koei	O
released	O
on	O
March	O
11	O
,	O
1999	O
,	O
for	O
the	O
PlayStation	B-Device
in	O
Japan	O
.	O
</s>
<s>
G1	B-Device
Jockey	I-Device
2	O
is	O
a	O
Sports	O
game	O
,	O
developed	O
by	O
Koei/Inis	O
and	O
published	O
by	O
Koei	O
,	O
which	O
was	O
released	O
in	O
Japan	O
on	O
November	O
2	O
,	O
2000	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
game	O
in	O
the	O
series	O
to	O
be	O
made	O
for	O
the	O
PlayStation	B-Device
2	I-Device
console	O
.	O
</s>
<s>
An	O
updated	O
version	O
of	O
the	O
game	O
titled	O
G1	B-Device
Jockey	I-Device
2	O
2001	O
was	O
released	O
in	O
Japan	O
on	O
March	O
22	O
,	O
2001	O
.	O
</s>
<s>
This	O
edition	O
would	O
later	O
be	O
localized	O
for	O
the	O
European	O
market	O
and	O
published	O
by	O
THQ	O
on	O
March	O
8	O
,	O
2002	O
,	O
released	O
with	O
the	O
revised	O
title	O
G1	B-Device
Jockey	I-Device
(	O
as	O
the	O
previous	O
titles	O
were	O
released	O
only	O
in	O
Japan	O
)	O
.	O
</s>
<s>
G1	B-Device
Jockey	I-Device
3	O
is	O
a	O
thoroughbred	O
horse	B-Application
racing	I-Application
simulation	O
video	O
game	O
produced	O
by	O
Koei	O
for	O
the	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
Although	O
the	O
G1	B-Device
Jockey	I-Device
series	O
had	O
been	O
gaining	O
popularity	O
in	O
Japan	O
,	O
this	O
was	O
the	O
first	O
game	O
in	O
the	O
series	O
to	O
be	O
released	O
in	O
North	O
America	O
.	O
</s>
<s>
In	O
contrast	O
to	O
Tecmo	O
's	O
Gallop	B-Application
Racer	I-Application
series	O
,	O
which	O
focuses	O
on	O
every	O
aspect	O
of	O
horse	B-Application
racing	I-Application
(	O
including	O
breeding	O
)	O
,	O
G1	B-Device
Jockey	I-Device
3	O
focuses	O
solely	O
on	O
the	O
jockey	O
.	O
</s>
<s>
G1	B-Device
Jockey	I-Device
4	I-Device
is	O
a	O
horse	B-Application
racing	I-Application
simulator	O
published	O
by	O
Koei	O
for	O
the	O
PlayStation	B-Device
2	I-Device
in	O
Japan	O
.	O
</s>
<s>
A	O
Wii	B-Operating_System
version	O
called	O
G1	B-Device
Jockey	I-Device
Wii	B-Operating_System
of	O
the	O
game	O
was	O
released	O
June	O
29	O
,	O
2007	O
.	O
</s>
<s>
G1	B-Device
Jockey	I-Device
4	I-Device
2007	I-Device
( ジーワンジョッキー4	O
2007	O
)	O
is	O
a	O
horse	B-Application
racing	I-Application
simulator	O
published	O
by	O
Koei	O
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
PlayStation	B-Operating_System
3	I-Operating_System
in	O
Japan	O
on	O
November	O
1	O
,	O
2007	O
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
of	O
G1	B-Device
Jockey	I-Device
4	I-Device
.	O
</s>
<s>
A	O
playable	O
demo	O
was	O
released	O
on	O
the	O
Japanese	O
PlayStation	B-Device
Store	O
in	O
October	O
2007	O
.	O
</s>
<s>
A	O
G1	B-Device
Jockey	I-Device
4	I-Device
2007	I-Device
and	O
Winning	B-Application
Post	I-Application
7	I-Application
Maximum	I-Application
2007	I-Application
Premium	O
Pack	O
bundle	O
for	O
both	O
the	O
PlayStation	B-Device
2	I-Device
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
was	O
released	O
on	O
November	O
1	O
,	O
2007	O
.	O
</s>
<s>
After	O
Koei	O
merged	O
with	O
Tecmo	O
in	O
2009	O
to	O
form	O
the	O
joint	O
company	O
Tecmo	O
Koei	O
,	O
Koei	O
then	O
developed	O
Champion	O
Jockey	O
:	O
G1	B-Device
Jockey	I-Device
&	O
Gallop	B-Application
Racer	I-Application
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Wii	B-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
becoming	O
the	O
first	O
game	O
in	O
either	O
series	O
to	O
be	O
available	O
on	O
a	O
Microsoft	O
console	O
and	O
have	O
a	O
Nintendo	O
console	O
version	O
localized	O
for	O
North	O
America	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
crossover	O
with	O
Tecmo	O
's	O
Gallop	B-Application
Racer	I-Application
series	O
and	O
incorporates	O
elements	O
from	O
both	O
the	O
G1	B-Device
Jockey	I-Device
and	O
Gallop	B-Application
Racer	I-Application
series	O
,	O
while	O
also	O
supporting	O
motion	B-Device
controllers	I-Device
.	O
</s>
<s>
A	O
Japan-exclusive	O
Nintendo	B-Application
Switch	I-Application
port	O
,	O
titled	O
Champion	O
Jockey	O
Special	O
,	O
was	O
released	O
in	O
2017	O
.	O
</s>
