1. Load Into a Directed Mode Zombies Game in Liberty Falls
2. Craft the Jet Gun.
3. Get to Round Cap Level 15 (Build the LTG)
4. Go to the Same Spot on the Map as in the Video
5. Crouch and Press Dpad Up

Note: some Users May need to Switch the Button Layout from Default Settings to Tactical (Shooting- R1, Aiming-L1)