Because this is a .rar file—and unofficial fan games are often hosted on third-party sites—follow these steps to stay safe:
is an archive file containing a Resident Evil parody fan game made in RPGMaker. Erohazard 0.1 Windows.rar
Use a dedicated folder for the extraction to easily inspect the contents before running the .exe file. Because this is a
Whenever possible, download directly from platforms like itch.io to avoid modified files. Erohazard 0.1 Windows.rar
Ensure your extraction tool is up-to-date. Older versions of WinRAR (pre-7.11) have known security flaws that can be exploited by malicious archives.
I just downloaded WinRAR from win-rar.com am I safe. - Microsoft Q&A