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Proto:Gran Turismo 3: A-Spec/NTSC Demo

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This is a sub-page of Proto:Gran Turismo 3: A-Spec.

A slightly earlier build than the OPS2M Demo, the NTSC Demo still featured some similarities to its European counterpart, while providing some differences.

General Differences

  • The menu layout is still the same as the OPS2M Demo, however now instead of choosing between a Pennzoil Nismo GT-R, a RUF CTR2, and a Pagani Zonda C12, the options for cars are now a Honda Raybrig NSX, a Ford Mustang SVT Cobra R, and a Honda S2000.
  • On the copyright and start screen, the year 2000 is now displayed.
  • The in-race music has now been updated from 2000 and the OPS2M Demo to "Kickstart My Heart" by Motley Crue, used later in the game's NTSC soundtrack.


This time around, only one track is playable without codes, Trial Mountain. All the other tracks hidden inside the demo have heavy influences from the previous games, and are interesting to say the least.

Track Video
Tokyo Route 246

An earlier version of what appears on the OPS2M demo. Less buildings are present compared to the OPS2M demo, and quite a few advertising boards are different.

Apricot Hill Raceway

An earlier version, based on the one from Gran Turismo 2. Somewhat unfinished as well, as it has the blinding sun from the OPS2M demo and the location of where the game maps the start / finish line is completely incorrect, probably the result of a bug.

Circle 100R

Identical to the OPS2M demo, except the car reflections aren't extremely shiny here.

Deep Forest Raceway

Similar to the versions used in the first two games, except set at daytime here instead of dusk.

Grand Valley Speedway

An earlier version, sporting more similarities to the first two games than in the OPS2M demo. Mainly, the advertising boards are the big difference here, most of which are based off GT2.

Laguna Seca Raceway

Another course mostly based off its Gran Turismo 2 rendition, but is set at dusk like the final Laguna Seca.

Mid-Field Raceway

Looks to also be inspired by its GT2 rendition, but with some modifications. Also it is somewhat unfinished as there are floating advertising boards here and there.

Cote D' Azur

An earlier version of the OPS2M demo rendition. This one has less buildings, and the car reflections are somewhat shiny. On top of that, none of the buildings have textures in this build.

Deep Forest Raceway (No Road)

A strange Deep Forest where the road and some scenery are missing, which means you are driving on air basically.

Rome Circuit

Similar to the final version, except many advertising boards around the track have different sponsors, and there's a few missing that were added as early as the OPS2M demo.


One of the few tracks in the demo which would go on to the OPS2M demo unchanged.

Special Stage Route 11

Seems similar to the OPS2M demo, the only real difference is there is a few missing grandstands, and the ones that do exist here are from GT1.

Special Stage Route 5

Looks identical to its wet counterpart on the OPS2M demo, which as stated in that track's description, that version looks identical to GT2.

Seattle Circuit

Similar to the version found on the OPS2M demo, but the advertising boards here are limited strictly to Japanese car companies, which were updated in the OPS2M demo. A few advertising boards are missing here as well.

Slalom 80R

Would go on to become Complex String in the final version. Specifically, this is the slalom from the first section of Complex String, which would go on to be used in two of the final game's license tests.

Smokey Mountain North

Unlike later builds, this version has no tarmac, meaning the course is likely based off its Gran Turismo 2 rendition, which was also 100% dirt. There are a few differences as well, mainly in the advertising boards.

Smokey Mountain South

Uses its Gran Turismo 2 layout, which was changed by the time the OPS2M demo came out. Somewhat unfinished at this point, as there is some missing scenery, and there's a couple untextured objects as well.

Super Speedway

Very similar to its OPS2M demo counterpart, a few advertising boards here and there are the only differences.

Tahiti Maze

Identical to the OPS2M demo version, only thing different here is that the AI doesn't work. By the time the OPS2M demo came out, Polyphony had gotten three AI cars to work.


Similar to Test 2 from the OPS2M demo, but with extra floating blocks in the air.

Test 2

Similar to the OPS2M demo, there are just extra bushes on the inside wall.