TeknoParrot games are never a single .exe file. If you download a file called Mario_Kart_Arcade.exe that is 2MB, it is a virus. Real game dumps are often 2GB to 15GB.

Because modern arcade games can be tens of gigabytes each, they aren't easy to find on traditional ROM sites. Digital preservationists often use Internet Archive to host these massive datasets under titles like the "motherload-of-dumps" or specific sets for Taito Type X2

He clicked the download link. The browser hesitated, then began the transfer. A 500MB file. Small by modern standards, but heavy with history.