Unlocking weapon mastery camo is a massive part ofModern Warfare 3’s player experience. Those who love a challenge and like grinding hard have the opportunity to unlock cool and unique mastery camos, such asthe Bone Collector. Some weapon skins are easy to unlock, while others require more grinding and time.
The Bioluminescent Camo is the final skin forModern Warfare 2weapons in the Zombies mode. It’s the most difficult weapon skin to obtain since it’s tied to multiple challenges. Players who unlock the Bioluminescent Camo earn bragging rights on the battlefield due to the effort and time it requires.

How to Unlock the Bioluminescent Camo
To unlock the Bioluminescent weapon skin in MW3, players must unlock the Arachnida Camo for 51 MW2 weapons.However,to unlock the Arachnida skin, players must complete a web of challenges, including:
Since the Bioluminescent Camo is the final mastery camo, players have to complete all otherweapon camo challengesto unlock it. This starts with completing base Zombies Base Camos for 51MW2weapons. This will unlock the Golden Ivory weapon skin, and players must complete its challenges to gain access to Spinel Husk Completionist Camo challenges. These challenges task players with getting 300 kills in the Zombies mode using a Pack-A-Punch weapon.

After completing the Spinel Husk Completionist Camo challenges, players will get the Spinel Husk skin. They should equip this skin to all 51MW2weapons and kill Special or Elite Zombies to get the Arachnida Camo. Now, only one step remains: equip weapons with the Arachnida Camo and complete 51 weapon challenges.
Once players complete all these steps, they will unlock the Bioluminescent Camo. The skin can only be applied to MW2 weapons. It’s advisable to grind through the camos to make the entire process less overwhelming. So, instead of aiming for the Bioluminescent Camo from the start, play and progress through the Zombies mode while completing mastery camo challenges. This way, players can work up to the final Completionist camo challenge and show off their hard work on the battlefield.