• Just as in the PS2 version, the number of cars and peds that are allowed onscreen at the same time are controlled by the time of day in popcycle.dat, a file in the data folder. However, at peak traffic times, the maximum number of cars possible onscreen has been bumped from 10 for the PS2 to 18 for the PC, and this number can be modified!
• Frame limiter apparently defaults to 25 frames per second, but you can turn it off and the framerate will stay between 35-50 (on a good PC) and textures actually load correctly when disabling it unlike GTA III and Vice City.
• I recieved word that the file timecyc.dat controls maximum and fog draw distance, and is modifiable.
• GTA3.IMG, the file that stores all of the textures and models in the game, is three times larger than Vice City's, coming in at 940MB.
• More surprising is that this huge game has a 15MB filesize for the root file that starts the game.
• You can modify many files in the data folder in easier ways than seen in Vice City.