Now that your Bloody Mouse is activated, it's time to optimize it for gaming. Here are a few tips:

If you own an A4Tech Bloody gaming mouse, you’ve likely encountered the "Ultra Core 3" or "Ultra Core 4" paywall. These features unlock advanced macro capabilities, such as recoil suppression for FPS games, but typically require a paid activation code.

There is no official "free" activation code for Bloody Mouse Ultra Core 3/4

Anti-cheat systems like Easy Anti-Cheat (EAC) and Valve Anti-Cheat (VAC) have blacklisted Bloody mice in certain games (e.g., Rust ) because these macro features are considered an unfair advantage.