Warner Brothers Montreal, also known as WB Montreal is the video-game company responsible for developing Batman: Arkham Origins, that was published by Warner Bros. Interactive Entertainment. WB Montreal replaced Rocksteady Studios as the developers for Arkham, however Rocksteady returned for Batman: Arkham Knight in 2015.
- Red Hood Story Pack.
- Harley Quinn story pack.
- Batgirl: A Matter of Family story pack.
- Scarecrow's Nightmare pack
- Rocksteady Studios, the developers of Batman: Arkham Asylum, City and Knight.
- Armature Studio, the developers of Batman: Arkham Origins Blackgate.