<s>
is	O
a	O
2009	O
racing	O
video	O
game	O
developed	O
by	O
Polyphony	O
Digital	O
and	O
published	O
by	O
Sony	O
Computer	O
Entertainment	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
at	O
Sony	O
's	O
E3	O
press	O
conference	O
on	O
May	O
11	O
,	O
2004	O
,	O
alongside	O
the	O
original	O
PSP	B-Operating_System
.	O
</s>
<s>
Following	O
five	O
years	O
of	O
delays	O
and	O
speculation	O
,	O
during	O
which	O
it	O
was	O
variously	O
known	O
as	O
Gran	B-Device
Turismo	I-Device
Portable	I-Device
,	O
Gran	B-Device
Turismo	I-Device
4	I-Device
Mobile	I-Device
,	O
Gran	B-Application
Turismo	I-Application
5	I-Application
Mobile	O
and	O
Gran	O
Turismo	O
4.5	O
,	O
it	O
made	O
a	O
reappearance	O
at	O
E3	O
on	O
June	O
2	O
,	O
2009	O
,	O
in	O
playable	O
form	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
October	O
1	O
,	O
2009	O
,	O
as	O
one	O
of	O
the	O
launch	O
titles	O
for	O
the	O
new	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
As	O
of	O
September	O
2017	O
,	O
Gran	B-Device
Turismo	I-Device
has	O
sold	O
4.67	O
million	O
units	O
,	O
making	O
it	O
one	O
of	O
the	O
best-selling	O
PSP	B-Operating_System
games	O
.	O
</s>
<s>
Gran	B-Device
Turismo	I-Device
is	O
centered	O
on	O
completing	O
driving	O
missions	O
in	O
order	O
to	O
advance	O
in	O
the	O
game	O
,	O
unlike	O
Gran	B-Device
Turismo	I-Device
4'''s	O
open-ended	O
map	O
.	O
</s>
<s>
There	O
are	O
some	O
hidden	O
tracks	O
which	O
are	O
removed	O
prior	O
to	O
release	O
(	O
notably	O
Smokey	O
Mountain	O
and	O
Tahiti	O
Circuit	O
from	O
Gran	B-Application
Turismo	I-Application
3	I-Application
:	I-Application
A-Spec	I-Application
-	O
both	O
which	O
initially	O
debuted	O
in	O
Gran	B-Application
Turismo	I-Application
2	I-Application
with	O
some	O
differences	O
)	O
.	O
</s>
<s>
These	O
tracks	O
are	O
only	O
accessible	O
on	O
systems	O
with	O
modified	O
firmware	O
and	O
running	O
Gameshark-like	O
programs	O
,	O
and	O
some	O
issues	O
have	O
been	O
reported	O
with	O
them	O
.	O
</s>
<s>
During	O
an	O
interview	O
at	O
E3	O
,	O
it	O
was	O
revealed	O
that	O
tracks	O
featured	O
in	O
the	O
game	O
(	O
such	O
as	O
Valencia	O
Ricardo	O
Tormo	O
)	O
are	O
directly	O
sourced	O
from	O
Gran	B-Device
Turismo	I-Device
4	I-Device
and	O
Tourist	B-Application
Trophy	I-Application
,	O
while	O
the	O
game	O
's	O
physics	O
engine	O
is	O
based	O
on	O
Gran	B-Device
Turismo	I-Device
5	O
Prologue.Gran	O
Turismo	O
features	O
833	O
vehicles	O
,	O
each	O
modeled	O
accurately	O
and	O
statistics	O
derived	O
from	O
their	O
real	O
life	O
counterparts	O
.	O
</s>
<s>
The	O
exotic	O
car	O
manufacturer	O
Ferrari	O
is	O
featured	O
,	O
and	O
for	O
the	O
first	O
time	O
in	O
the	O
main	O
Gran	B-Device
Turismo	I-Device
series	O
,	O
Lamborghini	B-Device
,	O
Bugatti	O
and	O
various	O
other	O
cars	O
were	O
introduced	O
and	O
fully	O
licensed	O
.	O
</s>
<s>
Four	O
cars	O
are	O
featured	O
in	O
a	O
race	O
at	O
any	O
one	O
time	O
,	O
the	O
player	O
car	O
and	O
three	O
opponents	O
(	O
with	O
the	O
AI	O
having	O
improvements	O
since	O
Gran	B-Device
Turismo	I-Device
4	I-Device
)	O
.	O
</s>
<s>
There	O
is	O
no	O
online	O
play	O
,	O
although	O
it	O
supports	O
Ad	O
hoc	O
Party	O
for	O
PlayStation	B-Operating_System
Portable	I-Operating_System
,	O
nor	O
are	O
there	O
any	O
online	O
leaderboards	O
for	O
time	O
trial	O
times	O
or	O
the	O
ability	O
to	O
share	O
ghost	O
laps	O
with	O
other	O
players	O
.	O
</s>
<s>
Gran	B-Device
Turismo	I-Device
also	O
allows	O
online	O
play	O
through	O
the	O
free	O
downloadable	O
PlayStation	B-Operating_System
3	I-Operating_System
(	O
PS3	B-Operating_System
)	O
application	O
Ad	O
hoc	O
Party	O
for	O
PlayStation	B-Operating_System
Portable	I-Operating_System
(	O
PSP	B-Operating_System
)	O
.	O
</s>
<s>
It	O
was	O
initially	O
announced	O
that	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
would	O
not	O
be	O
released	O
for	O
Gran	B-Device
Turismo	I-Device
,	O
although	O
seven	O
cars	O
,	O
the	O
2003	O
Mercedes-Benz	O
SLR	O
McLaren	O
,	O
2009	O
Nissan	O
GT-R	O
SpecV	O
,	O
2008	O
Citroen	O
GT	O
,	O
2009	O
Bugatti	O
Veyron	O
16.4	O
,	O
2009	O
Chevrolet	O
Corvette	O
ZR1	O
,	O
1974	O
Lamborghini	B-Device
Countach	O
LP400	O
and	O
the	O
2002	O
Ferrari	O
Enzo	O
,	O
were	O
made	O
available	O
for	O
download	O
via	O
the	O
PlayStation	O
Store	O
.	O
</s>
<s>
The	O
controls	O
are	O
unusual	O
because	O
the	O
PSP	B-Operating_System
does	O
not	O
have	O
pressure	O
sensitive	O
buttons	O
,	O
meaning	O
the	O
player	O
cannot	O
control	O
the	O
degree	O
of	O
acceleration	O
or	O
braking	O
.	O
</s>
<s>
Creator	O
Kazunori	O
Yamanuchi	O
was	O
against	O
the	O
idea	O
of	O
using	O
external	O
controllers	O
via	O
PSP	B-Operating_System
Plus	O
for	O
more	O
accurate	O
control	O
,	O
telling	O
an	O
interviewer	O
"	O
if	O
you	O
want	O
to	O
play	O
on	O
Gran	B-Device
Turismo	I-Device
using	O
a	O
PS3	B-Operating_System
controller	O
,	O
you	O
will	O
have	O
to	O
play	O
on	O
Gran	B-Application
Turismo	I-Application
5	I-Application
"	O
.	O
</s>
<s>
Fitting	O
a	O
full-scale	O
Gran	B-Device
Turismo	I-Device
on	O
the	O
PSP	B-Operating_System
platform	O
was	O
a	O
challenge	O
for	O
Polyphony	O
Digital	O
.	O
</s>
<s>
Regardless	O
,	O
Gran	B-Device
Turismo	I-Device
runs	O
at	O
60	O
frames	O
per	O
second	O
and	O
takes	O
up	O
only	O
1GB	O
of	O
storage	O
.	O
</s>
<s>
Originally	O
titled	O
Gran	B-Device
Turismo	I-Device
4	I-Device
Mobile	I-Device
,	O
the	O
game	O
was	O
initially	O
to	O
have	O
a	O
release	O
date	O
sometime	O
in	O
April	O
2005	O
—	O
however	O
,	O
it	O
was	O
notably	O
absent	O
from	O
the	O
2004	O
Tokyo	O
Game	O
Show	O
and	O
then	O
from	O
E3	O
2005	O
,	O
a	O
year	O
after	O
it	O
was	O
first	O
announced	O
.	O
</s>
<s>
Despite	O
no	O
news	O
for	O
most	O
of	O
2006	O
,	O
Kazunori	O
Yamauchi	O
assured	O
audiences	O
that	O
Gran	B-Device
Turismo	I-Device
for	O
the	O
PSP	B-Operating_System
was	O
still	O
in	O
development	O
and	O
on	O
its	O
way	O
.	O
</s>
<s>
Development	O
was	O
slowed	O
to	O
focus	O
priorities	O
on	O
Gran	B-Device
Turismo	I-Device
4	I-Device
on	O
the	O
PlayStation	O
2	O
and	O
Gran	B-Application
Turismo	I-Application
5	I-Application
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
Yamauchi	O
also	O
cited	O
difficulty	O
in	O
designing	O
the	O
game	O
for	O
the	O
PSP	B-Operating_System
Go	O
.	O
</s>
<s>
As	O
the	O
Go	O
features	O
a	O
relocated	O
analog	O
nub	O
,	O
the	O
developers	O
had	O
to	O
make	O
adjustments	O
to	O
ensure	O
the	O
experience	O
felt	O
the	O
same	O
as	O
with	O
a	O
standard	O
PSP	B-Operating_System
.	O
</s>
<s>
Polyphony	O
Digital	O
's	O
busy	O
schedule	O
with	O
releases	O
of	O
Gran	B-Device
Turismo	I-Device
4	I-Device
,	O
Tourist	B-Application
Trophy	I-Application
,	O
Gran	B-Application
Turismo	I-Application
HD	I-Application
,	O
and	O
Gran	B-Application
Turismo	I-Application
5	I-Application
Prologue	I-Application
also	O
slowed	O
Gran	B-Device
Turismo	I-Device
's	O
development	O
.	O
</s>
<s>
Several	O
other	O
titles	O
were	O
considered	O
,	O
including	O
Gran	B-Device
Turismo	I-Device
4	I-Device
Mobile	I-Device
and	O
Gran	B-Device
Turismo	I-Device
5	I-Device
Portable	I-Device
.	O
</s>
<s>
The	O
title	O
Gran	B-Device
Turismo	I-Device
Spyder	I-Device
was	O
also	O
considered	O
,	O
but	O
was	O
dropped	O
as	O
the	O
developers	O
felt	O
that	O
both	O
it	O
and	O
the	O
Gran	B-Device
Turismo	I-Device
4	I-Device
Mobile	I-Device
title	O
did	O
not	O
represent	O
a	O
"	O
fully-specced	O
Gran	B-Device
Turismo	I-Device
"	O
.	O
</s>
<s>
In	O
April	O
2008	O
,	O
Yamauchi	O
stated	O
that	O
developing	O
Gran	B-Application
Turismo	I-Application
5	I-Application
on	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
"	O
took	O
much	O
more	O
time	O
and	O
effort	O
and	O
this	O
was	O
because	O
loads	O
of	O
new	O
stylish	O
cars	O
have	O
started	O
to	O
come	O
out	O
so	O
it	O
took	O
longer	O
to	O
develop	O
than	O
we	O
had	O
first	O
imagined	O
"	O
,	O
and	O
that	O
it	O
was	O
unlikely	O
the	O
PSP	B-Operating_System
version	O
would	O
be	O
released	O
by	O
the	O
end	O
of	O
2008	O
.	O
</s>
<s>
A	O
version	O
of	O
Gran	B-Device
Turismo	I-Device
for	O
the	O
PSP	B-Operating_System
was	O
shown	O
during	O
Sony	O
's	O
E3	O
2009	O
keynote	O
on	O
June	O
2	O
,	O
2009	O
.	O
</s>
<s>
Called	O
simply	O
Gran	B-Device
Turismo	I-Device
,	O
its	O
October	O
1	O
,	O
2009	O
release	O
date	O
coincides	O
with	O
the	O
launch	O
of	O
the	O
PSP	B-Operating_System
Go	O
,	O
which	O
was	O
announced	O
at	O
the	O
same	O
conference	O
.	O
</s>
<s>
It	O
featured	O
a	O
real	O
Chevrolet	O
Corvette	O
ZR1	O
competing	O
against	O
a	O
person	O
playing	O
Gran	B-Device
Turismo	I-Device
in	O
the	O
passenger	O
seat	O
.	O
</s>
<s>
Gran	B-Device
Turismo	I-Device
is	O
available	O
as	O
both	O
a	O
Universal	O
Media	O
Disc	O
(	O
UMD	O
)	O
at	O
retail	O
and	O
as	O
a	O
digital	O
download	O
from	O
the	O
PlayStation	O
Store	O
.	O
</s>
<s>
Users	O
are	O
able	O
to	O
install	O
part	O
of	O
Gran	B-Device
Turismo	I-Device
on	O
their	O
memory	O
stick	O
.	O
</s>
<s>
The	O
UMD	O
still	O
needs	O
to	O
be	O
in	O
the	O
PSP	B-Operating_System
's	O
UMD	O
drive	O
to	O
run	O
the	O
game	O
.	O
</s>
<s>
ReceptionGran	O
Turismo	O
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
,	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
It	O
was	O
praised	O
for	O
still	O
featuring	O
the	O
same	O
realistically	O
handling	O
cars	O
for	O
the	O
console	O
games	O
(	O
which	O
has	O
improved	O
from	O
the	O
GT4	B-Device
version	O
)	O
as	O
well	O
as	O
having	O
a	O
large	O
number	O
of	O
cars	O
,	O
including	O
AI	O
improvements	O
,	O
but	O
it	O
was	O
criticized	O
for	O
not	O
having	O
a	O
traditional	O
career	O
mode	O
nor	O
the	O
ability	O
to	O
upgrade	O
cars	O
.	O
</s>
<s>
As	O
of	O
September	O
2017	O
,	O
Gran	O
Turismo''	O
has	O
sold	O
4.67	O
million	O
units	O
worldwide	O
,	O
making	O
it	O
one	O
of	O
the	O
best-selling	O
PSP	B-Operating_System
games	O
.	O
</s>
