In inFamous Second Son for PS4; Players become more powerful in combat by expanding Delsin's suite of abilities. You may choose to act in either a good or evil way. Several times throughout the story, Delsin finds himself in a scenario where he must make a good or evil choice, such as whether to encourage Conduit vigilante Abigail "Fetch" Walker to stop slaying drug dealers, or to train her to become a more prolific killer. Player choices influence outcomes in some later missions. In combat, Delsin may use his abilities to incapacitate foes or obliterate them with headshots. He may choose to open fire on innocent civilians. Delsin's choices manifest in a logo displayed on his jacket and the HUD, which features a blue and red bird.
Performing actions that correspond to villainy gradually change the logo such that the red bird dominates the other, and vice versa. This is a visual representation of Delsin's Karma level, that increases as good or evil depending on his choices. As his Karma level increases, Delsin can acquire new powers that correspond to his play-style. A continual streak of either good or evil actions fills up a bar in the HUD, which then lets Delsin perform a powerful finishing move called a Karma Bomb. When not completing story missions, players can explore the city and complete activities such as tagging graffiti spots or assassinating D.U.P. secret agents. The city is split into districts that are all initially controlled by the D.U.P.
Second Son takes place in 2016, seven years after Infamous Conduit protagonist Cole MacGrath sacrifices himself to cure humanity of a mysterious plague. Cole uses the powerful Ray Field Inhibitor weapon, which kills him and most of the other Conduits. The United States government establishes the D.U.P. to hunt down and capture the world's remaining Conduits, dubbing Conduits with the pejorative "Bio-Terrorists". The protagonist is Delsin Rowe, a graffiti artist and the local delinquent of the Akomish reservation. Delsin has the unique Conduit ability of Power Absorption, allowing him to use other Conduits' powers. His brother, Reggie, is the local sheriff, and often arrests Delsin for his acts of vandalism.