Level 3: Advanced Stealth Techniques

By now, you've mastered the art of sneaking into the fridge without getting caught, and can blend into the shadows like a pro. But, let's take it up a notch.

Learn to walk like a ghost, run like a ninja, and maintain your oxygen supply like a pro.

Stealth Walking: The Art of Sneaking Up on Your Enemies Shadow Diving: Level 4, Because Level 3 Wasn't Enough Gas Mask Maintenance: The Essential Guide to Not Dying from CO2 Poisoning