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Game Stock Car Extreme – Version 1.5 Coming

Reiza Studios is gearing up to releasing the next major update for their Game Stock Car Extreme simulation.

Reiza Studios is gearing up to releasing the next major update for their Game Stock Car Extreme simulation.

The new version will not only introduce the Mitsubishi Lancer Cup Series and the brand new Velo Cittá Circuit but also introduce some major changes in the code-groundwork for the new title as well.



  • Adds Mitsubishi Lancer Cup Series (Lancer R & RS models, recommended to run with TC & ABS on low as per the real car)


  • Adds Velo Cittá Circuit (2 layouts);

Features & Fixes:

  • Added support to 6 USB controller devices (increasing the previous limit of 3
  • Added sensitivity & dead zone sliders for up to 6 controller inputs in CONTROLLER 3 menu
  • Added feature to automatically adjust Steering Rotation for each vehicle so user no longer needs to exit game and manually adjust controller rotation (see recommendations above)
  • Added option to adjust steering rotation in garage menu & adjusted default steering lock settings to provide a suitable default steering ratio for all cars (Custom Steer Rotation must be set to NO in controller menu);Added option to map commands for adjusting anti-roll bars from in-car (for the cars that have the option: Stock Car V8, Super V8, F-Extreme, F-Reiza, F-3, F-V12, F-Classic )
  • Added option to map commands for adjusting Vertical FOV from in-car
  • Added support for 24h race length
  • Added Stock V8 rule which restricts tire stops to one tire change at a time
  • Tweaked AI to perform less strategical mistakes (such as pitting in the last lap)
  • Rewritten all car classes from the previous standard “ReizaXX” to a nomenclature that better represents their respective series
  • Introduced native support to 9-speed gearboxes & fixed bug which would lead to F-Extreme occasionally disappearing when hitting 8th gear in a multiplayer section
  • AI drivers now use 8th gear & DRS
  • Added “Opponents Filter” option to quick race menu (for multiclass racing)
  • Replaced AI aggression UI slider with a set of presets low-to-max (max being 50% aggression in old currency to prevent AI misbehavior in overly aggressive settings)
    Fixed bug with other cars occasionally “inheriting” 8 gears, DRS functionality from F-Extreme
  • Fixed championship scoring bug
  • Fixed grid position setting when qualifying is disabled
  • Fixed performance issues with the SuperV8
  • Revised pit menu rules & pitstop timing for all series
  • Fixed bug with AI behavior being over aggressive with the throttle on corner exit leading to occasionally losing control
  • Revised AI performance for all cars (balancing for consistency from car to car, track to track, session to session)
  • Updated ambient, curb, road & grass roll noise for all cars
  • Revised aero & tire physics in all cars
  • Revised real-feel values to reduce FFB clipping
  • Tweaked alpha channels in skins from Metalmoro MR18, Opala86, SuperV8, StockV8 series to reduce excessive shiny look
  • Minor graphical optimization
  • Fixed bug with Safety Car entering the pits in Curitiba Oval
  • Fixed behavior of driver labels.

Starting with version 1.5, GSC Extreme comes with its own in-house compiled executable, allowing the team to get rid of all external code injections via DLLs.

Since this is a major technical change, Reiza Studios have released the following checklist so users can make sure to avoid any problems when updating:

  • You MUST create a fresh player profile (delete the old one from \USERDATA) otherwise the game won´t launch.
  • After creating a fresh profile, make sure to double-check your driving aids & controller speed sensitivity to make sure they match what you had before.
  • Since there are several new parameters for both cars and tracks, it is possible that some MODs will not work 100% and will need to be updated to use the new features (please consult this thread to learn you may update your mod).
  • If you get a crash on startup, make sure you have installed the DX9.0C that comes with the game. (by running \Support\DirectX\Install\DXSETUP.exe)
  • If you do the above and still crashes, try deleting d3d9.dll from the game´s root folder.
  • GSC Config & Dedicated may not launch directly from Steam (needs to be done from game install folder).
  • For the steering rotation feature – All Logitech & Thrustmaster wheels with adjustable rotation should be working with this feature. Fanatec wheels should too, except for the V2 wheelbase which is still in development.
  • If you have any of the supported wheels, it is recommended you set Enable Custom Steer Rotation to NO from OPTIONS > CONTROLS, and let the game customize the appropriate rotation range for each car.
  • In case you do not have a controller with adjustable rotation, OR if your steering wheel is not yet supported by this feature, you should set Enable Custom Steer Rotation to YES, and define how much rotation range you have in your controller in the setting below – the game should then work same as before (with any adjustment per car done manually both here & controller profiler) and STEER ROTATION SETTING in GARAGE1 menu will have no actual effect.
  • Please note that in either case, using old controller presets is NOT recommended – we recommend you start one from scratch.

The new version will be available within the next few days.

Game Stock Car Extreme is now available for 27,99€ on Valves Steam platform.

Existing owners of the pre-Steam version can get a Steam key here, while switching is not required it is recommended by Reiza as new installs will require a Steam key.

  • Gui Cramer

    It would be nice to have new UI rfm images, have them all rendered the same way so it is more professional and consistent.

  • kauff

    Sounds like good stuff here! Fix for side mirrors :)?

  • Richard Hessels

    Is it there yet? is it there yet? can’t wait…

  • Paul Menard

    wonder if they can make the ui non laggy when theres a ton of content and mods, mind seems comon on rfactor engines

    • Richard Hessels

      Let’s keep most of them on rFactor.

  • Richard Hessels

    For future update maybe make a switch for driving aids on “real”.
    So you don’t have to change the settings per car.

  • Leynad

    Please design a modern UI (i can help) and i hate this stupid rock-song.

  • Wilsch

    Moving in the right direction this title. When it simulates transmissions correctly I’ll come back to it.

  • John Almqvist

    So, can anyone help with the setting “steering wheel range”? Does it need to be changed still? Or can I leave it at 900 along with profiler – or do I need to change it to the specific lock for each car? (G25)

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