Below is a walkthrough on the Double Time side quest in Dying Light 2 Stay Human. To obtain this side quest, speak with Dude on top of a building that is northwest of a rest house in the northern part of Houndfield.
Collect 200 Old World Money
Gather 200 Old World Money then speak with the Dude and agree to race him.
Enter the dark hollow
Head north towards the objective and enter the building. Once inside the Dark Hollow, follow the arrows to parkour your way up to the top floor.
Talk to the punk
Speak with Dude on the roof.
Meet the punk at the next starting location
Head to the objective in the southern part of the Houndfield, southwest of the Cherry Windmill. You can either up the wager or keep it at 200.
Enter the dark hollow
Head west to find the next Dark Hollow. Once inside, follow the arrows to make your way up to the roof.
Kill the Infected attacking the punk
Defeat all the enemies up on the roof.
Check on the punk
Approach the punk to trigger a cutscene. You can select whatever option you’d like but note that it will be reflected in your reward. If you demand money, you’ll get more. If you say keep it, they will keep it.
Rewards
- XP
- Old World Money – depends on your answer in the last objective