<s>
The	O
Initial	O
D	O
(	O
D	O
)	O
video	O
game	O
series	O
or	O
known	O
as	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
is	O
an	O
arcade	O
racing	O
game	O
series	O
developed	O
by	O
Sega	O
,	O
based	O
on	O
the	O
anime	O
and	O
manga	O
series	O
Initial	O
D	O
.	O
In	O
the	O
United	O
States	O
and	O
Europe	O
,	O
the	O
game	O
series	O
is	O
simply	O
known	O
as	O
Initial	O
D	O
.	O
</s>
<s>
It	O
is	O
also	O
known	O
in	O
the	O
updated	O
version	O
(	O
Version	O
1.50	O
)	O
as	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
4	I-Application
Kai	O
is	O
the	O
fourth	O
release	O
in	O
the	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
series	O
.	O
</s>
<s>
Released	O
on	O
February	O
25	O
,	O
2009	O
in	O
Japan	O
,	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
5	O
was	O
the	O
second	O
game	O
in	O
the	O
series	O
released	O
on	O
the	O
Sega	O
Lindbergh	O
hardware	O
.	O
</s>
<s>
Unlike	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
5	O
,	O
a	O
drift	O
gauge	O
and	O
an	O
updated	O
tachometer	O
were	O
introduced	O
to	O
help	O
inform	O
players	O
when	O
they	O
were	O
drifting	O
.	O
</s>
<s>
The	O
game	O
is	O
mostly	O
a	O
carry-over	O
from	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
6	I-Application
A.A.	O
,	O
including	O
updates	O
.	O
</s>
<s>
Initial	O
D	O
Special	O
Stage	O
was	O
released	O
on	O
June	O
26	O
,	O
2003	O
,	O
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
was	O
re-released	O
on	O
February	O
26	O
,	O
2004	O
,	O
under	O
the	O
"	O
PlayStation	B-Device
2	I-Device
the	O
Best	O
"	O
label	O
.	O
</s>
<s>
Initial	O
D	O
Special	O
Stage	O
is	O
based	O
on	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
Ver.2	O
with	O
additional	O
Japanese	O
voices	O
for	O
the	O
first	O
time	O
and	O
contains	O
many	O
features	O
exclusive	O
to	O
this	O
game	O
.	O
</s>
<s>
In	O
one	O
of	O
these	O
courses	O
,	O
Shomaru	O
went	O
on	O
to	O
appear	O
in	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
Ver.3/Street	O
Stage	O
.	O
</s>
<s>
Momiji	O
Line	O
would	O
not	O
return	O
until	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
8	O
Infinity	O
.	O
</s>
<s>
Due	O
to	O
PlayStation	B-Device
2	I-Device
's	O
hardware	O
limitations	O
,	O
the	O
graphics	O
of	O
the	O
game	O
was	O
downgraded	O
from	O
its	O
arcade	O
counterpart	O
.	O
</s>
<s>
The	O
game	O
is	O
compatible	O
with	O
Logitech	O
's	O
Driving	O
Force	O
wheel	O
series	O
,	O
and	O
other	O
wheel	O
controllers	O
made	O
for	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
Sega	O
also	O
balanced	O
all	O
the	O
cars	O
in-game	O
due	O
to	O
the	O
overpowering	O
Integra	O
DC2	O
from	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
Ver.2	O
.	O
</s>
<s>
Initial	O
D	O
Street	O
Stage	O
is	O
a	O
PSP-exclusive	O
game	O
based	O
on	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
Ver.3	O
.	O
</s>
<s>
Initial	B-Application
D	I-Application
Extreme	I-Application
Stage	I-Application
is	O
a	O
PlayStation	B-Operating_System
3	I-Operating_System
game	O
based	O
on	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
4	I-Application
.	O
</s>
<s>
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
(	O
2001	O
)	O
sold	O
2,534	O
hardware	O
units	O
in	O
Japan	O
up	O
until	O
2004	O
.	O
</s>
<s>
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
Ver	O
.	O
</s>
<s>
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
4	I-Application
sold	O
3,904	O
units	O
in	O
2007	O
,	O
including	O
3,056	O
units	O
by	O
March	O
2007	O
,	O
and	O
848	O
during	O
April	O
–	O
September	O
2007	O
.	O
</s>
<s>
In	O
total	O
,	O
the	O
Initial	B-Application
D	I-Application
Arcade	I-Application
Stage	I-Application
series	O
has	O
sold	O
approximately	O
7,111	O
hardware	O
units	O
in	O
Japan	O
up	O
until	O
2007	O
,	O
grossing	O
approximately	O
in	O
hardware	O
sales	O
.	O
</s>
