If the game is made in RPG Maker, you may need to install the specific RTP version (e.g., VX Ace, MV) for it to boot.
Check the root folder after extracting for a Readme.txt or a .exe file. [Ryuugames] RY-222563.rar
Users on communities like r/PiratedGames have reported issues with "wrong" download buttons on the site leading to small .rar files (around 18MB) containing malware rather than the actual game (which is usually several GBs). If the game is made in RPG Maker,
Most games from this source require a few standard steps to run correctly on non-Japanese systems: Most games from this source require a few
If your .rar file is significantly smaller than the listed game size, do not run the .exe .
Ryuugames often uses internal codes (like "RY-XXXXXX") to catalog their library. To confirm what game you have:
The title is often visible in the "Game Info" section of the site where you found the link. 2. General Setup Instructions