Biogun is an uncommon gun in Murder Mystery 2 (MM2). Currently obtainable in the game. Affordable entry point into the trading scene of the game. Players equip Biogun for a custom firearm look during matches. Obtained from: Mystery Box 2. Community trade value: around x4 T1 Common Weapons. Notably: This is one of the few guns added alongside the Season 1 update This gun is often partnered with Biogel, Camo, and mainly Bioblade, even though it is not a set