If the 2021 password fails, it is usually a software glitch rather than a wrong password. "Checksum Error" or "Wrong Password" This error often means the file downloaded incompletely.
If the standard passwords above do not work, the specific password is usually listed on the page where you found the download link. Look for: ryuugames password 2021
Do not copy-paste with added spaces. Type it out explicitly as ryuugames.com . If the 2021 password fails, it is usually
Encryption prevents automated host scanners from mistakenly flagging compressed game files as malicious software. Look for: Do not copy-paste with added spaces
Ensure the file names are identical except for the part numbers.
If there's a specific game you're interested in, check for any updates or patches released in 2021. Game developers often release patches to fix bugs or add new content.