IS BUFF APPROVED BY GAME PUBLISHERS? August 04, 2021 10:29 There is no need for approval from game publishers as Buff uses Overwolf technology, which is based on open APIs from the game publishers. For more information, check out Overwolf’s legal policy. Related articles DOES BUFF USE MY GPU AND DECREASE MY GAMING EXPERIENCE? HOW DOES BUFF CALCULATES MY REWARD? Comments 0 comments Please sign in to leave a comment.