The discount applies to Black Flag itself, which regularly costs $59.99, as well as the $19.99 downloadable content season pass and the $79.99 Gold Edition, which includes the season pass. The DLC that comes with the Gold Edition includes the Aveline DLC that, on consoles, is exclusive to PlayStation platforms.
Green Man Gaming's offer drops the game price to $45, the season pass price to $15 and the Gold Edition price to $60. According to Dealzon, the pre-order discount is valid until 11 a.m. ET on Friday, Nov. 15 — you just type in the offer code TAREM-AC4BF-VOUCH.
You can check out our full review of Assassin's Creed 4: Black Flag here.