If you are looking for specific or file extraction tools for the RAR contents, fans often use specialized tools like miniunz to access internal game assets for customization. Mega Man Legacy Collection Patches and Updates - SteamDB

: The most recent major release, featuring online play, ranked matches, and a "Buster MAX" mode.

While Update 2 for the original collection is older, it set the standard for later compilations:

: This update addressed several stability issues present at launch, including specific fixes for screen flickering and controller compatibility on certain systems. Related Collections