This challenge starts on top of a roof of one of the most northern buildings in Old Town proper. This challenge ends at the end of a tunnel near Gazi's house. This Challenge starts at a tunnel entrance on top of a bus. This challenge ends in a blue trash pile near a tunnel leading to the fisherman's village and Infamy Bridge. This challenge starts near a small power substation facing the Red Flower Cafe. This challenge ends on a blue water container on top of a house near where you see your first volatile in the mission Airdrop. This challenge starts on a small building near The Tower.
This Challenge ends at the south west tunnel where the player enters the sewers during the mission to reach Old Town.
This challenge starts at a building near a safe zone close to the Tower. This challenge finishes on a construction scaffold on the overpass above The Cauldron. This challenge starts just outside on top of a building in which Crane has radio conversations on. Keeping the combo counter up will allow the player to move much faster than normal as well as leap across gaps they they would not normally be able to do. The combo maxes out at 10 and will disappear if not refreshed after a few seconds. Performing parkour moves such as climbing will add to the combo counter and grant a speed boost to the players movement. Parkour Fever challenges add a combo counter to the game during the challenge, which appears to the right of the players health. Both achievements can be acquired at once by playing through all of the levels at night which rewards you the day time and night time achievement progress. The "GD Parkour Instructor" achievement requires the player to complete all Parkour Fever Challenges at night. There are 2 Achievements related to parkour fever: "The Boy Who Could Run" which requires the player to complete all Parkour Fever Challenges. There are 10 challenges in total with 5 each in The Slums and Old Town. The player will be challenged to run through a set of checkpoints within a specified amount of time. Parkour Fever is a set of challenges around Slums and Old Town.