Batman: Prince of Arkham

Batman: Prince of Arkham is an action-adventure video game developed and published WB Games. It was released in 2018 for the PS4 and XBox One.

Premise
Prince of Arkham is a game in which the Joker is the main playable character. It takes place before the events of Batman: Arkham Asylum, and deals with the Joker escaping from Arkham Asylum and rebuilding his criminal empire from scratch. The Joker employs the use of murder, terrorism, and torture in order to further his goals and faces resistance from other supervillains, the Police, and of course Batman.

The primary antagonist of the game is Black Mask, who in the Joker's absence, has built a massive criminal empire. Seeing the Joker as a threat Black Mask wants him dead and vice versa.

Gameplay
Prince of Arkham plays very similar to games like Grand Theft Auto, while having some similarities to the Arkham games. The Joker has a wide variety of weapons and gadgets at his disposal: Pistols, rifles, rocket launchers, knives, grenades, bombs, joker venom, etc. He is also able to steal cars and go on murderous rampages. There are sections in the game where you can catch enemies and torture them into revealing information.

Characters
The Joker: The main character. Upon escaping from Arkham, he returns to Gotham with the intention of rebuilding his empire.

Harley Quinn: Mainly plays the role Oracle plays in previous games; providing tips on how to do missions to the player.

Black Mask: Primary antagonist. He has become Gotham's new crime lord in the Joker's absence and now wants him dead. He has several supervillians in his payroll.

Batman: Secondary antagonist. Mainly gets in the way of the Joker's plans and much of the game is spent trying to evade him. He appears often unexpectedly during missions in order to make things more difficult for the player.