Batman: Arkham City - Game of the Year Edition (instant delivery)

Steam store page:

https://store.steampowered.com/app/200260/Batman_Arkham_City__Game_of_the_Year_Edition/

Release on 2012-05-29

Batman: Arkham City - Game of the Year Edition includes the following DLC:

Catwoman Pack

Nightwing Bundle Pack

Robin Bundle Pack

Harley Quinn’s Revenge

Challenge Map Pack

Arkham City Skins Pack

Batman: Arkham City - Game of the Year Edition packages new gameplay content, seven maps, three playable characters, and 12 skins beyond the original retail release:

Maps: Wayne Manor, Main Hall, Freight Train, Black Mask, The Joker's Carnival, Iceberg Long, and Batcave

Playable Characters: Catwoman, Robin and Nightwing

Skins: 1970s Batsuit, Year One Batman, The Dark Knight Returns, Earth One Batman, Batman Beyond Batman, Animated Batman, Sinestro Corps Batman, Long Halloween Catwoman, Animated Catwoman, Animated Robin, Red Robin and Animated Nightwing