: Enable the 8MB RAM feature in DuckStation settings to force the game to use high-polygon car models for AI opponents, which were originally restricted to the player's car only. PC Alternatives and Related Software
: By overclocking the emulated CPU to 350-400% and importing a "60 FPS" cheat code, you can double the game's original frame rate. gran turismo 2 pc gameexe top
To get a true modern gaming feel, you can apply specific patches within your emulator: : Enable the 8MB RAM feature in DuckStation
Since an official executable doesn't exist, you must use an emulator to run the original PlayStation disc images (.iso or .bin/.cue files). gran turismo 2 pc gameexe top