Double Time is a side quest in Dying Light 2 given to you by “Dude.” It can be found to the North of Houndfield.
Dying Light 2 - Wikipedia
Dying Light Platinum Edition - Nintendo Switch ***Sealed With Bonus Content***
Memento Locations - Dying Light 2 Guide - IGN
Double Time Dying Light 2
Dying Light 2 Stay Human - Double Time Side Quest Walkthrough