This is the final version of a game intended for players, optimized for performance without developer tools.
If you are interested in or Unreal Engine 5 projects , there are much safer ways to explore them: kunoichi-UE5-Shipping-Build-v1.0a_Cracked.rar
Based on the name, this appears to be a "Shipping Build" of a game involving a (a female ninja). UE5: Indicates it was developed using Unreal Engine 5. This is the final version of a game