Emulators (RPCS3) if heat is your concern. They turn your PC into a space heater.
I have interpreted the "hot" in your keyword as relating to demand (a trending/hot topic) and performance (avoiding CPU overheating, which is common with emulators). The Hard Truth First: God of War III was originally developed exclusively for the PlayStation 3 (PS3). Unlike PC games, it was coded to run on the "Cell processor" architecture—a notoriously complex system that standard computers cannot natively understand. how to play god of war 3 on pc without emulator hot
Only God of War (2018) and Ragnarök are on PC. If you specifically want God of War 3 , this won't work. Emulators (RPCS3) if heat is your concern