There are three concrete reasons:
This is not a PS3 game. Your PS3 is merely a video receiver. The actual computing happens on your PC. This method works, but it requires a secondary computer and a strong local network. --- Euro Truck Simulator 2 Ps3 Download
“Just a heads-up — Euro Truck Simulator 2 was never released on PS3. Any site offering a ‘PS3 download’ is fake. You can play it on PC, PS4, PS5, Xbox, or Switch, but not on PS3. Stay safe and don’t download those suspicious files.” There are three concrete reasons: This is not a PS3 game
. While there is an official version of the game coming to consoles, it is strictly for PlayStation 5 and Xbox Series X|S This method works, but it requires a secondary
: A free trial is available on the official download page if you want to test if your computer can run it.