'Lego Batman,' 'Killer Instinct,' 'Zombie' etc..
This is a huge week on the Xbox One in terms of sales, 'Batman: Arkham Knight' is $23.99 for Gold members (review here), 'Assassin's Creed: Syndicate' is $35.99 (review here), as is 'Destiny: The Taken King' (review here).
And that's just the beginning as everything 'Batman Arkham' on sale, as well as some great Ubisoft titles.
Xbox One Deals
Xbox 360 Deals
Source: Major Nelson