Koalageddon is a "DLC Unlocker" (a tool used to bypass digital rights management for extra game content), it's important to note that using it is generally against the Terms of Service of platforms like Steam and can carry risks.
: Many hosts use "Auto-Kick Cheaters" mods. If you have the cheater tag, you may be automatically removed from public games. Steam 64-bit Update payday 2 koalageddon