: Avoid "ROM download" sites that require you to download an .exe or "installer" file. A legitimate NES ROM will always be a .nes or a compressed .zip / .7z file.
While NES ROMs are widely available online, there are some legality and safety concerns to be aware of:
: Despite the "300" claim, these collections rarely contain 300 unique, full-length games. Instead, they often feature:
Here is how to search safely: