The HARDEST ACHIEVEMENT in BO4 Zombies...

I challenged myself to complete this achievement, eventually I got it done! If you are new to the channel click here → http://goo.gl/o7BsC5 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Follow Me On Other Platforms! ►Follow me on Twitch! →   / gregfps   ►Twitter →   / gregfps   ►Facebook →   / gregfps   ►Discord →   / discord   🎵 My Music Channel → https://bit.ly/2Xq2g96 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ My Sponsors / Products I Endorse ►USE CODE "GregFPS" for 10% off GFUEL→ http://gfuel.ly/2vAjxAN ►USE CODE "GregFPS" for 10% off Kontrol Freeks! https://goo.gl/iJ4nrK ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ My Merch Which Directly Supports Me ►Shirts - Basic Zombies Extraordinaire Design https://goo.gl/Xbj9hB (Newest Shirts) ►Red Design - https://bit.ly/2RcKQsA ►Green Design - https://bit.ly/2JDquV8 ►Blue Design - https://bit.ly/3c9BMgm ►Posters - https://goo.gl/bVeEVV ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Great Zombies Playlists For More Content Zombies World Records -    • World Record Gameplays   Zombies Clips of the Week Series -    • Zombies Clips of the Week   Every Map In Zombies Series -    • EVERYTHING IN ZOMBIES SERIES   Zombies Challenges -    • Zombies Challenges!   Zombies Ranking Series -    • RANKING VIDEOS (WAW-BO4)