Listen to the sound clip 999 Mode from Bioweapon Defense Mode Soundboard: 999 Mode 999 Mode This sound is from Bioweapon Defense Mode Soundboard The sound of "Purse" reverberated through the room, signaling the activation of Bioweapon Defense Mode. The sharp metallic click of a locking mechanism echoed followed by a low hum as the system came online. The air was fil… Go to the full soundboardwith more sound clips Search