Most modern Switch homebrew tools (like Tinfoil or DBI) perform by default. If the file has been modified, these tools will warn you. Red Flags to Watch For

: A .nsp (Nintendo Submission Package) file, specifically for Update 1.2.0.

Based on community reports and general safety practices for this source, here is a deep report on its legitimacy and risks: File Breakdown : OlliOlli World for Nintendo Switch.

The .nsp file inside is generally safe if the signature is valid, but the .rar could contain malicious .exe or .bat files. Low