https://www.gameagent.com/games/borderlands-2-game-of-the-year-edition?ClickID=ciqnvze74s74e7vzlip47xia7qslwvlqwnlzActivates on Steam for both PC and Mac. This includes the base game + almost all DLC.
" Borderlands 2 Game of the Year Edition offers more value than ever before -- over $100 worth of content including:
Award winning title, Borderlands 2
4 Add-On Content Campaigns:
Captain Scarlett and her Pirate’s Booty
Mr. Torgue’s Campaign of Carnage
Sir Hammerlock’s Big Game Hunt
Tiny Tina’s Assault on Dragon Keep
2 New Playable Characters:
Gaige, the Mechromancer
Krieg, the Psycho
First level cap increase
Plus new battle arenas, heads and skins, golden keys and more!"